80-year-old people generally 0 to 2 times night urine is normal, excluding physiological factors, more than two times belong to the frequent night urine. The 80-year-old man did not have nocturia or one to two times nocturia is normal, if too much water intake before going to bed or consume water-rich fruits and vegetables, may lead to excessive nocturia. Some elderly people may have urinary system diseases such as male prostatitis, prostate hyperplasia and inflammation of the urinary system, which can also lead to increased nocturia in the elderly. There are many other conditions that cause increased nocturia, such as excessive drinking and urination caused by diabetes, which can also have increased nocturia. Eighty-year-olds should develop good eating habits, avoid drinking too much water before going to bed, if the number of nocturia increases, accompanied by other discomforts, should go to the hospital in a timely manner to avoid delaying the condition of the adverse consequences.