1. Front beard.

It likes light and moisture, and is more tolerant of cold and drought. Perennial herb, with thick root neck, sessile leaves on the upper part of the stem, oval, brown petals, flowering period from August to September, and fruit period from October to November. It grows on forest edges of hillside at an altitude of 250-2000 meters, on roadsides or in semi-shaded hillside grass. Has high medicinal value. Functional Indications: Dispersing wind-heat, lowering qi and resolving phlegm, treating exogenous wind-heat, lung heat and phlegm stagnation, cough and asthma with excessive phlegm, yellow and sticky phlegm, and chest and diaphragm tightness.

2. Evodia evodia

It likes a warm, humid and sunny environment. It is suitable to grow in areas with warm winters below an altitude of 500m. The best soil is sandy loam with deep, fertile and well-drained soil. Evodia can bloom and bear fruit in 2 to 3 years after planting. The flowering period is from June to July, and the fruiting period is from August to October. It will enter its peak period after 4 years. After 30 years, the amount of fruit will decrease year by year, and it will need to be cut down and renewed. The ripe fruits of Evodia are used as medicine. They taste pungent, bitter and very hot. It can warm the middle and dispel cold, relieve pain, reduce qi and relieve vomiting; it is mainly used to treat epigastric and abdominal cold pain, stomach cold and vomiting.

3. Bletilla striata

Tubers are mainly used as medicine, and those with thick rhizomes, large and solid roots and no fibrous roots are preferred. Traditional Chinese medicine believes that Bletilla striata has a bitter, sweet and astringent taste, is slightly cold in nature, and enters the lung meridian. It has the functions of stopping bleeding and reducing swelling, and can treat bleeding sores, carbuncles, ulcers, and chapped hands and feet. "Weinan Materia Medica" states that it can "treat pain and damage to lung qi, nourish lung deficiency, relieve coughs, eliminate lung rash and cough up blood, and converge lung qi."

4. Isatis root

Isatis root is a plant of the genus Daqing in the Brassicaceae family. Its roots are used as medicine. It is one of the commonly used medicinal materials. The normal growth and development process of Isatis root must go through the low temperature stage in winter before it can bloom. It produces seeds, so this characteristic is used in production, sowing in spring or summer, harvesting the leaves and digging out the roots that year, and the planting time is 5 to 7 months. If cultivated according to the normal growth period, it is only used for seed saving.

5. Honeysuckle

It has strong adaptability and is not strict in the selection of soil and climate. It likes sunshine and a mild and humid environment. It has wide adaptability, cold resistance and drought tolerance. Buds bloom on the new branches of the current year. It can grow in both acidic and saline soils. It has a well-developed root system and strong rooting ability. It is a good soil-fixing and water-retaining plant and can be planted on hillsides, riverbanks, etc. In shade, poor growth.

Extended information:

The technological level of Chinese herbal medicine production is relatively backward, the planting methods are relatively primitive, and the lack of Chinese herbal medicine production and management standards is the main problem. Mainly manifested in the following four aspects:

1. The purification and rejuvenation of seeds and seedlings and the selection and breeding of fine varieties are lagging behind, resulting in unstable quality of Chinese medicinal materials

Since most medicinal Plants have a short history of introduction and cultivation, so many wild traits are retained. The cultivated Chinese herbal medicine germplasm is mixed, showing the diversity of intraspecific variation. Lack of timely purification and rejuvenation of seeds and seedlings and selection of fine varieties are the main reasons for the extremely unstable quality of Chinese medicinal materials.

2. The content of pesticide residues and harmful heavy metals in Chinese medicinal materials exceeds the standard

During the cultivation process, Chinese medicinal materials are often harmed by a variety of diseases and insect pests, which directly affects the yield and production of Chinese medicinal materials. quality, causing significant economic losses. There are many types of pests and diseases, causing serious harm and huge losses. Due to the lack of relevant knowledge about pesticides by pesticide farmers, the problem of abuse and misuse of pesticides is prominent. The problem of pesticide residues in Chinese medicinal materials directly affects human health and hinders the entry of Chinese medicines into the international market.

Environmental pollution. Some areas where Chinese medicinal materials grow are seriously polluted by industrial waste liquids and exhaust gases. The soil in some areas contains harmful elements such as arsenic and lead. Some Chinese medicinal materials accumulate these harmful elements during the growth process. . These two main reasons lead to excessive heavy metal content.

3. Unreasonable development and utilization, wild resources are consumed too quickly

Currently, the protection measures for wild Chinese medicinal resources are insufficient, and they are often plundered due to factors such as price and market. Sexual development has led to devastating damage, such as Cistanche deserticola, Fritillaria chuanensis, Dendrobium, Dioscorea sinensis, Cordyceps sinensis, etc. Due to environmental deterioration and imbalance of ecological balance, the distribution area of ??some medicinal plants has shrunk, even reduced to the edge of species extinction.

4. The cultivation and processing technology of Chinese medicinal materials is not standardized

The development and utilization of authentic medicinal materials is insufficient, the planting of bulk medicinal materials lacks strict regulations, and the production management is extensive, resulting in low yields and Poor quality is common.

Reference materials: Chinese medicinal materials-Baidu Encyclopedia