Men 65 years old low sexual function, consider is due to a variety of factors, mainly because of the body androgen decline caused by, in addition may also be related to the elderly patients suffering from diabetes, hypertension and other underlying diseases, and late at night, alcoholism, medication, as well as psychological factors have a relationship, more than can be treated, the need for the cause of the disease, to give the relevant general treatment, medication, and so on. 1. General treatment: need to improve the bad diet and living habits, reasonable diet, avoid smoking and alcohol, do not stay up late, appropriate exercise, for psychological pressure, mental tension, need to relax, eliminate tension, and sexual partners to exchange feelings. In addition, if you are taking medication that affects your sex drive, stop taking the medication if possible. 2. medication: with age, male body androgen decline, then cause libido decline, sexual dysfunction, you can take or injection testosterone supplement androgen; the existence of erectile dysfunction, you can also take sildenafil and other medications; diabetic, need to use glucose-lowering drugs on time, such as metformin, insulin, etc., high blood pressure patients to give nifedipine and other antihypertensive medications. Treatment. It is recommended that patients go to the hospital, improve the auxiliary examination, clarify the cause of the disease, and then treat the cause, the drug needs to be used under the guidance of a professional physician.