The invention discloses a T-shirt quick-drying device. The T-shirt quick-drying device comprises a drainage box, wherein a drying cavity with a forward opening is formed in the drainage box; the top end of the drying cavity is connected with a lifting plate which extends up and down and is symmetrical in the left-right direction in a sliding mode, the end face of the front end of the lifting plateis provided with a fixing tip, the side, which is close to the symmetrical center, of the lifting plate is provided with a sliding groove, and the sliding groove is provided with a spin-drying device. The T-shirt quick-drying device is simple in structure, a traditional laborious way of twisting and wringing is abandoned, two sides of the T-shirt quick-drying device move relative to each other toextrude a T-shirt and then spin the T-shirt, and the clothes can be dried quickly by using less force.