Urine with white floating matter, possible causes: a. Urinary tract infection, the urine after infection contains more bacterial generation, TSE products, or contains pus cells, white blood cells, shed epithelial tissue, etc., can appear cloudy urine, may be accompanied by white flocculent, or feathery floating matter, etc.. It is mostly accompanied by symptoms of urinary tract irritation, such as frequent urination, urgent urination, and painful urination. Routine urine and urine culture tests are recommended to further confirm the diagnosis. Second, salt urine, this is when the urine is supersaturated with certain costs and precipitated, such as uric acid and oxalic acid, resulting in the appearance of white crystal-like substances. After the relevant urine is retained and precipitated, it can be seen that the urine is stratified, with clear urine in the upper layer and crystalline particles in the lower layer, requiring a routine urine examination. This is usually not accompanied by urinary tract irritation symptoms, after drinking more water and rehydration, the granular material can disappear. Third, if a patient who has had urinary stones has had treatment such as extracorporeal shock wave lithotripsy and drug lithotripsy, white granule-like material can appear, mostly small stones discharged.