Normal urine foam generally 5-30 minutes will disappear, because there are a large number of metabolites in the urine, these metabolites are mainly a variety of organic salts and inorganic salts, the surface tension of these substances is not the same, discharged into the urinal will form a foam of varying sizes, and the vast majority of these bubbles will slowly disappear automatically. If there is a lot of foam in the urine, the routine urine test has proteinuria, it is necessary to deal with. If there is no proteinuria, there is no need to do any treatment. It is recommended to eat a light diet, drink more water, urinate more, control the excessive intake of protein and fat, the majority of urine foam will be significantly reduced.