Men in their 50s have erections from time to time, if there are no other abnormal symptoms, physiological function is normal; if abnormal erections, affecting normal life, or accompanied by other symptoms, is not normal. 1. Normal phenomenon: men in their 50s have erections from time to time and the individual physique, the body’s sex hormone metabolism, if it does not affect the physiological function, does not affect the normal life and work and sexual function is normal, there is no urinary disorders, it is a normal physiological phenomenon, there is no need to worry about and intervene. 2. abnormal situation: if often erect and affect the normal physiological function, accompanied by frequent urination, urinary urgency, lumbago, fatigue, abdominal cramps, etc., should consider whether there is a urinary tract infection and other diseases; in addition, should also be considered to be the body of the sex hormone metabolism abnormalities and other reasons. If it is a normal phenomenon do not need to worry, if there are other symptoms need to go to the hospital in time for examination.