Early symptoms of IgA Nephropathy mainly include hematuria and proteinuria, infection, systemic symptoms such as edema, hypertension and so on. It is recommended that patients go to the hospital in time and standardize the treatment under the doctor’s guidance. 1. Hematuria and proteinuria: it can be manifested as episodic hematuria, which can last for hours or days, and the hematuria is often painless and can be accompanied by proteinuria. 2. Infection: some patients have precursor symptoms such as upper respiratory tract or gastrointestinal tract infection, such as enlarged tonsils, fever, cough, nausea, vomiting, diarrhea and other discomforts a few hours or days before the onset of the disease. 3. Systemic symptoms: IgA nephropathy can be accompanied by systemic symptoms, such as edema, hypertension, fatigue, drowsiness, muscle pain and so on. It is recommended that patients with IgA nephropathy go to the hospital in time and follow the doctor’s instructions for standardized treatment.