To provide an erection aid capable of dissolving erectile dysfunction and developing and maintaining erection.

The upper side of the root of a penis 10 in virilia is turned to a fulcrum, an anus side is turned to a power point and a perineal region 15 is pressurized. To put it concretely, the erection aid is composed of a ring 1 to be inserted to the root of the penis 10 in the virilia, a pressurizing member 2 extended from the end part of the ring 1, an arm 3 extended from the pressurizing member 2, and a lifting member 4 fixed to a human body 13 for lifting the tip of the arm 3. The upper side of the root of the penis 10 is abutted to the upper inner periphery of the ring 1 and turned to the fulcrum, the tip of the arm 3 is turned to the power point by lifting it by the lifting member 4, and the perineal region 15 is pressurized by the pressurizing member 2.