Sweet and sour, cool.

① Materia Medica: sweet, bitter, slightly cold and non-toxic.

② "Mindong Herbal Medicine": flat in nature, light in taste and non-toxic.

This plant is a perennial herb, also known as small spring flower, lung heart grass, one-legged golden pheasant and so on. The pair of leaves below the sterile leaves is the largest and wide triangle, and the last pinnate or lobe edge has irregular fine teeth, and the top of the total stem bears spore leaves. The whole herb has the functions of clearing away heat and toxic materials, relieving cough and resolving phlegm, calming the liver and resolving hard mass, and is mainly used for treating common cold, high fever in children, asthma and pulmonary hemoptysis.

Indications-The effects of Pteris bidentata are calming the liver, clearing away heat and relieving cough.

Treat dizziness, headache, hemoptysis, convulsion, epilepsy, eye fire, nebula, sore and swelling.

(1) Classic of Materia Medica: Treating swelling and toxin, wind and heat.

② "Tianbao Herbal Medicine": beneficial to bladder, treating dizziness and brain pain.

③ Guizhou folk prescription and drug collection: relieving cough, relieving fever and expelling wind, treating cold and vomiting blood.

④ Compilation of commonly used folk herbs: clearing liver and improving eyesight, removing membrane.

⑤ Records of Sichuan Traditional Chinese Medicine: Treating kidney deficiency and lung disease, vomiting blood, dispersing eyes and clouds, and treating moon disease; Outsourcing sore poison.

Oral administration and dosage: decocted, 2 ~ 4 yuan (fresh 0.5 ~ 1 2). External use: tamping.