It is normal for urine to have foam. Every time a normal person excretes urine, there will be a lot of foam, this is because there are a lot of organic and inorganic salts in urine, the surface tension of organic and inorganic salts are different, and there will be a lot of foam after excreting into the poo. It is recommended to have a routine urine test to see if there is proteinuria in the urine routine, if there is no proteinuria, it is normal. If there is proteinuria, it may be a disease of the kidneys. It is recommended to do the appropriate tests to effectively find the cause of proteinuria. For example, whether there is diabetes, whether there is glomerulonephritis, etc. Only when the examination is clear, can we achieve effective treatment.