The invention discloses a swimsuit with a self-rescue function, and belongs to the technical field of swimsuits. The swimsuit comprises a swimsuit body, air bag strips extending upwards to bypass theshoulders on the corresponding sides to the back of the swimsuit body are arranged at the chest positions on the two sides of the swimsuit body, the center of the chest part of the swimsuit body is fixedly connected with an inflation assembly, a breather pipe is communicated between the inflation assembly and the two air bag strips, a first elastic band with adjustable tightness is arranged at a waist position of the swimsuit body, and a second elastic band is arranged at a sleeve portion of the swimsuit body. The swimsuit is simple in structure, the life safety of people can be guaranteed when users are in danger, through the first elastic band and the second elastic band, the swimsuit can be worn more closely, and it is avoided that when the swimsuit drives a user to float upwards, the swimsuit gets off, through a first reflective strip and a second reflective strip, light can be reflected, attention of surrounding people is improved, when a user is in danger, the danger can be foundby people in time, and the safety of the user can be improved.