A forty-three year old man with poor sexual function can be treated through life adjustment, medication and surgery if necessary. 1. Life adjustment: patients due to mental stress or lifestyle factors, such as smoking, alcoholism and irregular work and rest time caused by poor sexual function, can be improved by releasing the pressure in daily life to develop a good work and rest habits and habits, but also can do aerobic exercise, such as jogging, basketball and so on. 2. medication: patients with poor sexual function will appear premature ejaculation and can not get an erection, which affects the normal sex life, the patient can be under the guidance of the doctor through the medication to regulate, oral medication, common such as sildenafil, dapoxetine, sertraline, etc., so as to prolong the duration of sexual life. 3. Surgery: If the patient with erectile dysfunction, after conservative treatment is ineffective, feasible surgical treatment, such as penile prosthesis implantation. There are many factors that cause patients to have bad sexual function, if you are not feeling well, you need to consult the doctor in time, improve the relevant examination and standardized treatment under the guidance of the doctor.