The entry physical examination urine test is mainly to check the urine routine, mainly to observe whether there is urine protein, red blood cells, occult blood and white blood cells, etc. If urine protein, red blood cells or occult blood is found, consider that the patient has nephritis, but the specific is the recovery period of acute nephritis or chronic nephritis, or even other secondary nephritis, such as lupus nephritis, purpura nephritis, hepatitis B virus-related nephritis, etc., need to improve The prognosis and treatment of these nephritis are different, so it is very significant to identify them. If the urine is positive for leukocytes, there is no need to worry too much because most cases suggest the presence of urinary tract infection. If the patient has symptoms such as frequent urination, urgent urination, painful urination, back pain, fever, etc., the possibility of urinary tract infection is greater, and the patient is advised to drink more water, urinate more often, as well as short-term application of antibiotic treatment, most of them can be cured.