Multifunctional sanitary towel capable of preventing side leakage

The utility model relates to the technical field of sanitary napkins, in particular to a multifunctional sanitary napkin capable of preventing side leakage, which comprises a main body, the cotton block is fixedly connected with the main body, the cotton block protrudes out of the main body, and the cotton block is used for being attached to the vulva opening, so that menstrual flow flows out of the vulva opening and can be absorbed by the cotton block; the protective curtain is fixedly connected with the main body, the end, away from the main body, of the protective curtain is connected with an adhesive ring, the adhesive ring is used for being in contact connection with the skin, so that the adhesive ring pulls up the protective curtain to form a closed environment with the main body, and the protruding cotton block can be attached to and block the vaginal orifice; according to the sanitary napkin, menstruation is absorbed by the cotton block at the first time when flowing out of the vagina, menstruation si