The price of sildenafil is about between $20 and $70 per capsule, but it can vary depending on the manufacturer, distributor and other factors; it is a common medication used to treat erectile dysfunction. The current market price of sildenafil is about 20~70 yuan/capsule, mainly affected by the manufacturer, such as domestic manufacturers of about 20 yuan/capsule, while foreign manufacturers of imported about 70 yuan/capsule. Sildenafil belongs to the type 5 phosphodiesterase peak inhibitor, which is a drug for the treatment of erectile dysfunction. Taking sildenafil may produce facial edema, shock, vomiting, headache, dizziness, nasal congestion and other discomforts, and it is strictly prohibited to use with nitrate drugs, such as nitroglycerin. This drug is contraindicated in women, people who are allergic to this product, children, and people whose recent cardiovascular status makes them unfit for sexual intercourse. Specific drugs, please use under the guidance of a physician or pharmacist, do not blindly use on their own.