The invention discloses a water cup. The water cup comprises a cup body and a base arranged at the bottom end of the cup body, and further comprises a magnetic type charging component and a rechargeable battery, wherein the magnetic type charging component is arranged on the side wall of the base; one end of the magnetic type charging component is connected with the rechargeable battery; the other end of the magnetic type charging component is electrically connected with an external power source for utilizing the external power source to charge the rechargeable battery. According to the embodiment of the invention, the water cup is changed via a magnetic type charging interface, so that the charging convenience of the water cup is improved, the service life of the charging interface is prolonged, and the safety of a person taking the water cup during a charging process is improved.