The normal urine is colorless or light yellow, if the urine comes out white urine, it may be that the chemical composition of the urine has changed abnormally, the possible causes include the following. 1, phosphate and carbonate precipitation: in alkaline urine, precipitation of carbonate crystals appear gray-white, you can save the urine for laboratory tests, if the various biochemical indicators are normal, then consider the problem is not very big, as long as you pay attention to drink more water, eat more vegetables can be. 2, high protein or sugar content in the urine will cause the urine to turn white. If the protein content in the urine is high, consider that the glomerular filtration function is impaired, and then make a comprehensive diagnosis based on the medical history and physical examination, and if necessary, perform a kidney puncture test. Kidney disease requires treatment with glucocorticoids as well as immunosuppressive drugs. If the sugar level in the urine is high, diabetes mellitus or hyperthyroidism is considered, and additional fasting glucose tests, glucose tolerance tests, and thyroid function tests are required. The results of these tests will be used to treat the patient systematically. If there is no organic problem, you can recover slowly, but if there is a disease, treat it promptly. Normally, you should work and rest reasonably, drink more water, not too much water at a time, drink a little at a time, and drink water regularly. Appropriate outdoor exercise and regular medical checkups.