Nephritis is a group of diseases, including glomerulonephritis, interstitial nephritis, etc. There is some variability in the specific symptoms of different causes and types of nephritis, and there are more than three major early manifestations. Generally most men with nephritis do not have obvious specific symptoms in the early stages, mostly non-specific symptoms such as back pain and fatigue. But there are some men, in the early stage of nephritis will appear edema, urinary abnormalities, hypertension and other obvious clinical manifestations: 1, edema: that is, men’s face, both lids, both lower limbs, ankles will appear to varying degrees of edema, and will not be reduced with rest, which is also one of the typical symptoms of nephritis; 2, urinary abnormalities: may appear hematuria, proteinuria, can be specifically expressed as urine color deepening, turbid, red This is also a typical symptom of nephritis. 3. Hypertension: Men with nephritis may have different degrees of hypertensive symptoms, mainly headache, dizziness, fatigue, palpitations and so on. In addition, gastrointestinal symptoms such as nausea, vomiting, loss of appetite, as well as multi-system manifestations such as fever, fatigue, chills, cold sweats, generalized aches and pains, rash, hair loss, joint pain, mouth ulcers, coughing up blood or hemoptysis may also occur. If treatment is not timely, with the development of nephritis, some men may also develop anemia, electrolyte disorders, cardiovascular disease, etc. Therefore, it is recommended that patients go to a regular hospital for routine blood, urine, kidney function and other related tests in order to clarify the cause of the disease, and then target the removal of triggers, control inflammation, and actively prevent or treat complications to stop further damage to kidney function.