The most common causes of penile weakness and erectile dysfunction are cavernous body lesions, decreased sex hormone levels, penile neuropathy, etc. The causes need to be clarified and treated. Penile weakness can be clearly diagnosed through relevant examinations, including prostate ultrasound, body sex hormone level test, routine examination of prostate fluid, penile hemodynamic examination. Penile weakness caused by cavernous lesions can be relieved by oral medications that activate blood circulation and remove blood stasis (promote blood circulation and eliminate blood stasis in the body). Such medications include Thromboxane tablets, Panax ginseng tablets, etc. Penile weakness caused by a decrease in the level of sex hormones in the body, need to take oral testosterone undecanoate capsule, methyl testosterone capsule and other drugs for treatment. Normally, sex life should be regular, try to quit masturbation, don’t overwork, don’t stay up all night and so on. Quitting the above mentioned bad habits is beneficial to the improvement of penile weakness. If the patient is not feeling well, he needs to consult the doctor for examination and early treatment. All the above drugs should be applied under the guidance of a doctor.