The present invention provides a safe sexual behavior aid having a main body with a first side and a second side, and the main body is formed with at least one through hole and formed with a finger sleeve portion. Accordingly, when a user uses the safe sexual behavior aid, a finger can be sleeved in the finger sleeve portion, and then the mouth and tongue contact with the first side and make oral sex with a recipient of the second side. Through the finger sleeve portion, the user can clearly distinguish the first side where the mouth and tongue contact with, and the second side where the recipient clings to； thereby achieving the effect of safe oral sex, and convenience of holding and using through effectively sleeving in the finger sleeve portion.
