The patient’s symptoms of excessive nocturia and foamy urine may be physiologic and pathologic possibilities. 1. Physiological: If the patient drinks too much water before going to bed, it may lead to an increase in nocturia, and foam may be produced when urinating in large quantities and urgently, which is generally physiological. 2.Pathologic: (1) renal tubular pathology: increased protein content in the urine, considering the problem of renal tubular reabsorption, need to do relevant tests to clarify the diagnosis. (2) diabetic patients: increased sugar content in the urine may lead to increased nocturia, and easy to form a lot of foam. There are many reasons for the increase in nocturia and the presence of foam in the urine, so it is necessary to carry out relevant examinations, ask for a careful medical history, and treat the symptoms according to the cause under the guidance of the doctor.