An erection aid is a device that belongs to the category of devices that help men to get an erection. It dilates the arterial blood vessels in the penis and increases blood flow to achieve an erection. The main method of use is to put the penis in the erection aid before sex, through the negative pressure way to dilate the surrounding arterial blood vessels, increase blood flow, so as to make the penis erect After the use of the ring at the root of the penis, to prevent the venous return, prolong the erection time. The use of erection aids should be in the penis skin normal and no organic lesions under the premise of the use of the operation should be the first to find a professional doctor to standardize the operation, if the use of improper use, there is a possibility that the cavernous body circulation disorders appear varicose veins, and may cause cavernous body tear, as well as urethritis and other diseases. If you have sexual dysfunction, you should go to the hospital in time to check, follow the doctor’s instructions to take the appropriate treatment program, to avoid their own abuse.