1, actively prevent upper respiratory tract infections, repeated tonsillitis induced hematuria and abnormal urine test episodes in patients feasible tonsillectomy. Increase the ability to resist disease, avoid getting cold, reduce the chance of infection, and once various infections occur, strong antibiotics should be applied in a timely manner to control the infection as early as possible. 2. Ensure sufficient sleep, which should be more than 8 hours a day, bed rest until the disappearance of carnal hematuria, and give low salt, low fat, low phosphorus, high calcium and high quality low protein diet, such as milk and fish. Eat less animal offal and allergy-prone food, etc. 3.Strengthen skin care and keep the skin intact. Ask patients to bathe often and change underwear regularly, trim finger (toe) nails; choose non-irritating or less irritating toiletries. 4.During the period of acute carnitic hematuria, take proper rest and avoid strenuous exercise. However, when the condition is stable, appropriate exercise can be carried out, such as practicing qigong and taijiquan. It should be noted that although IgA nephropathy clinically manifested as hematuria is a relatively benign process, there is also a risk of this deterioration, which should neither be completely abandoned nor be too agitated and aggressive. In particular, some patients have urinary occult blood + with no other discomfort, so the treatment for these patients is not to over-treat, do not blindly to eliminate the “hematuria” and randomly cast a doctor, regular review and follow-up is the key. 5, drug treatment should be carried out under the guidance of doctors, avoiding the application of drugs harmful to the kidney, such as gentamicin, butylamine kana, antiviral drugs, non-steroidal anti-inflammatory drugs, diuretics, a variety of Chinese herbs, etc. Through the above study, have you learned to understand chronic glomerulonephritis correctly? Have you learned to protect your kidney?