Male urine foam may be physiological reasons, urinary tract infection, diabetes and other factors. 1. Physiological reasons: when men get up in the morning for the first time to urinate, due to the night urine in the urinary system continues to concentrate, urine concentration increased, the amount of urine is relatively large, the urine impact is larger, there may be urine foam. 2. urinary tract infection: if men suffer from cystitis, urethritis and other diseases, are prone to cause bacteria in the urine continue to multiply, causing changes in the composition of urine, may also appear in the case of urine foam. 3. Diabetes: when men have diabetes, if the blood sugar control is not ideal, resulting in increased levels of urinary glucose, there may also be a phenomenon of foamy urine. There are many reasons for men to have foamy urine, they should go to the hospital in time, and follow the doctor’s instructions after clarifying the cause of the disease, so as not to delay the condition.