The utility model discloses a prenatal vaginal cleaner, which relates to the field of medical appliances for the department of obstetrics and gynecology, and comprises a shell (1), a cleaning belt (2), precipitation holes (3), a switch (4) and a motor box (5), wherein the shell (1) is of a hollow structure, and the spiral cleaning belt (2) is spirally arranged at the outer side of the shell; a plurality of precipitation holes (3) are uniformly arranged on the cleaning belt (2), and the motor box (5) is screwed at the lower end of the shell (1); and the switch (4) is arranged at the lower end of the motor box (5). The prenatal vaginal cleaner has a simple structure, and various dirty secretions possibly causing infection in the vagina can be effectively cleaned out, so that the preparation for the birth of a fetus is made in advance.