To provide a simple sexual feeling amplifying and pregnancy accelerating appliance for increasing sexual feelings of both of man and woman, treating frigidity and accelerating the pregnance of a woman hard to become pregnant.

A hole 2 is provided at the leading end of a bag-shaped main body 1 having a shape covering the penis of a man at the time of erection of the penis and made of rubber or resin having elasticity and stretchability and protruded parts 3 having a ring-like, spiral, a character/crest-like or patternwise shape are provided to the bag-shaped main body 1 between the leading end and terminal thereof to increase sexual feeling, to treat frigidity and to accelerate pregnancy.