Four yellow powder has “surgical evidence and cure complete life collection” and “Zhu Renkang clinical experience collection” two kinds, the composition is different, the former contains gardenia, thorns and so on, the latter contains rhubarb, yellow cypress and so on. 1.four yellow powder ” surgical evidence and treatment complete life collection “: by thorn mustard, vigorously, gardenia, scutellaria, Huang Huanglian, mint, forsythia, Pu Huang, Mutong, licorice, lamps heart, research powder rubbed on the affected area, mainly used for the treatment of mouth and tongue of the symptom, the adverse reaction and the contraindication are still not clear. 2. Sihuang San (Zhu Renkang Clinical Experiences Collection): It is composed of sulfur powder, andrographis powder, cypress powder and rhubarb powder, and is applied with sesame oil, which has the effects of subduing swellings, detoxifying, and clearing away heat, and is mainly used for the treatment of sores in the hairline (i.e., folliculitis), pustular sores, and boils. The adverse effects and contraindications of this formula are not clear. Patients are advised to go to regular hospitals in time for treatment of physical discomfort, and follow the doctor’s instructions for symptomatic treatment, and not to take medication without authorization to avoid risks.