In recent years, there are many patients with simple hematuria in the clinic who are very anxious and some even think they are going to have uremia. The causes of hematuria are as follows: 1. Usually we will do a series of tests for you, except for urological tumors in middle-aged and elderly people, and for young girls, except for autoimmune diseases, such as anti-nuclear antibodies in the first place. Young men have mostly IgA nephropathy, which has a good prognosis for simple hematuria. 2, but also to see whether there is proteinuria, urine protein amount of large (1g/24 chambers) need to be hospitalized kidney puncture. (Above 65 years old proteinuria should be more, then consider doing renal puncture biopsy). 3, also look at kidney function, newly discovered renal insufficiency, may also need further examination if necessary kidney puncture biopsy. 4.Whether combined with hypertension. 5.If you have simple hematuria, no proteinuria, no hypertension, no renal insufficiency, urine erythrocyte bitemporal examination shows deformed erythrocyte urine (of renal origin), no fever, no urinary frequency, urinary urgency, urinary pain symptoms, negative antinuclear antibody test, you do not need to be particularly nervous, you can follow up regularly to observe whether there is any change in the condition (blood pressure, urine protein, renal function), no change continue to follow up. It is rarely progressed to uremia, and it is not recommended to apply a lot of drugs to prevent drug-related kidney damage. Regular follow-up observation is also treatment, do not over-treat. 6, female patients can get pregnant and have children, but it is best to do a kidney puncture before pregnancy to see if the pathology is relatively heavy, there are a few patients with heavy renal pathology, and clinical manifestations do not serve, may not be able to get pregnant. 7, no special diet, to prevent unclean diet, vomiting and diarrhea leading to ischemic poisoning of the kidneys.