There are many bubbles in the urine excreted, possible causes: 1, the presence of diabetes or proteinuria can appear when urinating more foam, because the solute component in the urine increases, with the urination action, urine from a high fall shock can produce more foam, such as kidney disease patients with more protein in the urine, diabetes patients with increased sugar content in the urine, there will be increased foam when urinating. 2, the presence of urinary system When the urine is cloudy and the solute content is increased, more foam can also appear, and the appearance of the urine can be seen as unclear or accompanied by frequent urination, urinary urgency, painful urination and other symptoms, and further routine urine examination is needed. 3. Some patients have a combination of yellowing of the skin and mucous membranes, so liver function tests are needed.