After urinating, there is a layer of white floating material on the top, the main consideration is that the condition of the urinary tract system is abnormal, and the causes of the corresponding conditions mainly include inflammation, kidney disease and diabetes, etc. The main causes of the condition are inflammation, kidney disease and diabetes. 1. Inflammation: Inflammation of the urinary tract system, there will be mucosal damage, increased secretion, urination process will have the corresponding tissue out of the body, which will lead to related symptoms. 2. Kidney disease: kidney disease, increased renal permeability, will lead to increased protein content in the urine, further leading to the production of related symptoms. 3. diabetes: diabetic patients with high sugar content in the urine, urination process, there will be a large amount of sugar out of the body, will also lead to the production of related symptoms. A layer of white floaters on top of the urine may also be other reasons, the corresponding symptoms, accompanied by abnormal urination, please consult a doctor for observation, after diagnosis of the condition, under the guidance of the clinician for standardized treatment, to avoid causing delays in the condition.