There are several clinical characteristics of nephritis syndrome: 1. swelling of the body, manifested as the face, eyelids, scrotum, these areas of loose tissue are very prone to edema, and may also be accompanied by some symptoms of respiratory distress and heart failure. 2. hypertension, many patients with nephritis syndrome will have severe water and sodium retention, increased blood pressure. 3. some symptoms of the digestive tract. This is because the edema, especially the stomach also appears edema, so there will be a diet to eat less, and then appear nausea, vomiting, stomach feel bloated. 4, there is protein in the urine, less than 3.5 grams of protein within 24 hours. 5, will appear hypoproteinemia, this is mainly because of urine protein. 6, may appear hyperlipidemia, increased blood lipids, easy to cause vascular sclerosis, etc..