1. To soak Ophiopogon japonicus in water, it is generally recommended to use a teapot. After soaking Ophiopogon japonicus in boiling water, soak it for about 15-30 minutes before taking it.

2. Soak Ophiopogon japonicus in water. Do not use too much. It is best to use 5-8 Ophiopogon japonicus to soak in water each time. A medium cup of water is usually about 400ml of water, and it can be brewed 3 times.

3. Overdosing of Ophiopogon japonicus can cause spleen and stomach sweating, so you must not overdose. It is best not to exceed 30 grams each time.

4. Ophiopogon japonicus, the name of Chinese medicinal material. This product is the dried root tuber of Liliaceae plant Ophiopogon japonicus (Ophiopogon japonicus). The main functions are: nourishing yin and promoting fluid production, moistening the lungs and relieving cough: used for symptoms of lung and stomach yin deficiency such as less fluid, thirst, dry cough and hemoptysis; heart yin deficiency causing palpitations and easily frightened, and heat-damaged body fluids in the late stage of febrile disease.