The specific course of treatment for Hei Feng Dan needs to be used under the guidance of a professional doctor according to the patient’s specific situation. The main function of the drug is to dispel wind and cold (dispel wind and cold), activate blood circulation and relieve pain (relieve pain by removing blood stasis), which can have a therapeutic effect on lumbar and leg pain and numbness of the limbs caused by wind-cold stagnation. Due to the high number of ingredients in the drug, it should be prohibited for use by patients who are allergic to the ingredients in the drug, and it should be used with caution by athletes. Liver and kidney insufficiency, pregnant women are also not recommended to use Guifengdan, if you have to use, should be under the guidance of a doctor, and need to regularly monitor liver and kidney function, so as not to aggravate the abnormal function. Patients who are not feeling well are advised to consult a doctor in time to avoid delaying their condition.