Clinically available for the treatment of dampness-heat injection (dampness and heat evil invasion of the intestines, bladder, pubic area, lower limbs, etc.) of the drug more, such as Ermiao San, Bazheng San, etc., the specific use of medication needs to be based on the specific circumstances of the patient by a professional physician to identify the evidence to decide, the appropriate is the best. 1. Ermiao San: contains Cangzhu, Huangbai two Chinese medicinal ingredients, has the effect of drying dampness and clearing heat, can be used to treat dampness and heat downstream due to the tendon pain, or dampness and heat under the belt, or the lower part of the wet sores, eczema, and so on. However, it should be used with caution for children, pregnant women, lactating women and the elderly and infirm. 2. Eight Zheng San: contains gardenia, psyllium, knotgrass, rhubarb, Sichuan Mutong and other ingredients, has the effect of clearing heat and diarrhea (clearing the body of heat and fire), diuresis, can be used for the treatment of damp-heat downstream due to the short red urine (urine amount is small, color is deep yellow), leaking astringent pain, dry mouth and dry throat, etc., but pregnant women should not be used. Avoid taking spicy and stimulating food and warm Chinese medicines during the period of taking the medicine. If you have symptoms related to damp-heat underflow, you should consult a doctor in time and use medication under the guidance of a physician, not blindly use medication on your own.