Inadequate erection hardness, or erectile dysfunction, has more causes, including psychological, neurogenic, vascular, endocrine, diabetic, anatomical, hormonal, and pharmacologic. The goal of treatment is to achieve and maintain firm erectile hardness, thus restoring a satisfactory sex life. 1. General treatment: Life precautions include lifestyle adjustments, smoking cessation and alcohol restriction, moderate increase in physical activity, weight control, reasonable diet, moderate supplementation of Omega-3 fatty acids, antioxidants, calcium, etc. which can improve vascular endothelial function and erectile function. 2. Medication: The most common method is oral medication, including type 5-phosphodiesterase inhibitors such as sildenafil, tadalafil, etc., testosterone undecanoate, apomorphine, yohimbine, trazodone and so on. 3. Physical therapy: Physical therapy can also be used, including vacuum erection device, low-energy extracorporeal shock wave therapy, cavernous vasoactive drug injection therapy (opium poppy, Phentolamine, Prostaglandin, etc.). 4. Surgery: If general treatment and medication are ineffective, surgery can be chosen to completely improve erectile dysfunction with penile support implantation. The above drugs should be used under the guidance of a doctor. It is recommended that patients go to regular hospitals in time to seek treatment, and strive for early recovery.