Abstract: A swimming glasses is provided. The swimming glasses includes a first lens, a second lens, a spectacle frame connecting the first lens to the second lens, a pad joined to the first lens and the second lens and contacting tightly with skin of eye sockets, a head band joined to the spectacle frame to surround a head, a receiving member joined to the spectacle frame, a lock member attached to the receiving member to adjust a degree of tightness of the head band; and a light-emitting device received in the spectacle frame and comprising a printed circuit board, at least one light source mounted on the printed circuit board, and at least one battery electrically connected to the printed circuit board. The swimming glasses can prevent the light from the light source from damaging the eyes, and the service life and the utility of the swimming glasses are improved.