Male functional erection device

The invention discloses a male functional erection device, and aims at providing an apparatus with the advantages that the cost is low, the quality is good, and men can erect and complete sexual intercourse. The male functional erection device comprises a constriction ring, wherein the constriction ring is provided with a support frame, the outer side of the support frame is provided with a lower socket, a support body is arranged on the lower socket, the upper end of the support body is provided with an upper socket, the back side of the upper socket is provided with a rubber ring box, a short post body is arranged on the rubber ring box, and the a rubber ring is fixedly arranged on the short post body. The penis is supported by the support body to enter the vagina to do sexual intercourse movement, firstly, the self confidence of a user can be enhanced, secondly, the sexual stimulus is stronger through the movement sexual circumstance of the penis in the vagina, thirdly, the support body supports the penis