Criteria for the recovery of chronic nephritis include negative urine protein and urinary occult blood in urine test, normal renal function in plasma test and absence of clinical symptoms of chronic nephritis. 1. Urine examination: you need to undergo urine examination, if it is confirmed that urinary protein is completely negative, and the presence of urinary protein and urinary occult blood is not observed in the urine examination. 2. Plasma examination: the examination items are generally creatinine and urea, sometimes also includes uric acid, and creatinine belongs to creatinine belongs to the product of muscle metabolism, need to go through the renal filtration, so it is the evaluation of the renal function of the important indicators. 3. Clinical symptoms: the general clinical symptoms of patients include edema, high blood pressure and changes in urine output, etc. Most of the patients will have symptoms such as fatigue, headache, edema, anemia and high blood pressure. It is recommended that patients with chronic nephritis should go to the hospital in time, and under the guidance of doctors, they should take active treatment and have regular checkups.