Chronic nephritis hematuria is a lingering condition that is susceptible to wind, cold, moisture and heat, and susceptible to the seven emotions, diet, fatigue or external influences, which can lead to various changes. The modern medical research found that chronic nephritis patients with low immunity, easy to cause a variety of infections, the long-term presence of pathogenic microorganisms is an important cause of the disease does not heal, long-term infection is an important reason for chronic nephritis hematuria persistently does not go away. Chronic nephritis hematuria clinical most of the two conditions, namely, no symptoms or mild lumbar acidity, limb swelling, easy fatigue, etc., urine microscopy abnormal red blood cells for a long time, long-term abnormal red blood cells in the urine, the effect of ordinary therapy is not good; or the disease remission and then repeated, our clinical observation found that these are related to infection, the infection is the most likely. Infections can be divided into dominant and occult infections, and various occult infections commonly found clinically are often not easily detected by patients and doctors, which is the main and most common cause of persistent hematuria in chronic nephritis. Common infections are upper respiratory tract infections, head and face (mouth, throat, nose, tonsils, teeth, middle ear), skin, gastrointestinal tract, urinary tract, prostate, penile foreskin and other places. Take a combination of Chinese and Western treatment and actively search for the foci of infection. First get rid of the infection, otherwise the infection will not be removed and the hematuria will not be eliminated. In clinical practice, Chinese herbal medicines are mostly used to clear away heat and detoxify the toxins and also to support the righteousness. Xuanmai Erhua Tang is used to treat nephritis with hematuria and chronic pharyngitis. In the case of hematuria and chronic rhinitis, the patient should be treated with nasal passage soup, with the use of Xin Yi Hua, Hsio Xin, Fishy Herb, Shi Ying Pu, Ephedra, Honeysuckle, Forsythia, Sanguisorba, Lugwort, Ligustrum, Chuan Shao, Licorice, etc. At the same time, the inflamed tonsils should be removed, tooth stumps should be extracted or caries should be repaired, and antibiotics should be applied. After the above treatment, once the infection is removed, the hematuria will naturally subside.