Ermiao San belongs to the Chinese medicine prescription, has the effect of clearing heat and drying dampness, the side effects and harm of this prescription is not clear, but the use of should pay attention to avoid eating spicy and stimulating food during the period of taking the medicine. Ermiao San belongs to the Chinese medicine to dispel dampness, the formula consists of Cangzhu, Huangbai, has the effect of clearing heat and drying dampness, clinically can be used for the treatment of dampness-heat downstream injection (dampness and heat evil invade the intestinal tract, bladder, pubic area, lower limbs, etc.), symptomatic symptoms such as pain in the tendons and bones, impotence of the feet and feet weakness, redness, swelling and pain in the feet and knees, eczema, urinary short and red (urine is small in quantity and dark yellow) and other manifestations. The adverse effects of this formula are not clear, but when using it, it should be noted that this formula is mainly bitter, cold and dry and damp, which is easy to hurt the spleen and stomach, so avoid eating spicy, stimulating and greasy food during the period of taking it, so as not to aggravate the burden on the spleen and stomach. If you need to use Ermiao San, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the symptoms of the treatment.