Good urination, erection can not belong to a clinical manifestation of erectile dysfunction, the main consideration is related to psychological factors, mental factors, drug factors, organic factors and mixed factors. 1. psychological factors: husband and wife do not get along with each other, life pressure, sexual skills are not enough, can trigger erectile dysfunction. 2. Psychological factors: such as schizophrenia, anxiety disorders and other diseases, can lead to some physical symptoms, such as erectile dysfunction, premature ejaculation and so on. 3. Drug factors: the application of drugs such as furosemide, benadryl, cimetidine and so on, may lead to patients with erectile dysfunction and other adverse reactions. 4. Organic factors: such as prostatitis, testicular hypoplasia, arteriosclerosis, small penis and other diseases, can also trigger erectile dysfunction. 5. Mixed factors: in addition to the above factors, erectile dysfunction can also be triggered by the combined interference of diseases, drugs, psychological influences and other factors. Such symptoms may also be related to other factors. Patients are advised to seek medical advice as soon as possible and follow the doctor’s instructions for treatment.