According to the main clinical manifestations of acute nephritis, acute nephritis belongs to the category of edema disease in Chinese medicine, and in some cases, “edema” may not be obvious, but mainly hematuria, which belongs to the category of “blood in urine” in blood evidence. When wind-dampness and poisonous evil injure the lungs, spleen and kidneys, the lungs are not regulated, the spleen is not transferred, the kidneys are not opened and closed, the water channels of the three jiao are not smooth, and the bladder is