The following abnormalities are common in the urine routine of patients with nephritis: 1. positive urine protein, which can be between weakly positive and 4 plus, depending on the severity of the disease, most of these patients will show increased foam in the urine, which is one of the most common urinary routine manifestations of nephritis. 2. positive occult blood and an increased number of microscopic red blood cells, many patients with nephritis can show hematuria, some patients are microscopic hematuria, but the severity of hematuria and nephritis are not linearly related. 3. The severity of hematuria and nephritis are not linearly correlated, some patients have severe hematuria while the nephritis is mild. 3, there are various pathological tubular types, such as granular tubular, red blood cell tubular, solid tubular, etc. 4, a small number of patients can show a decrease in urine specific gravity.