Waterproof mobile phone

The utility model relates to the technical field of waterproof mobile phones. The utility model relates to a mobile phone. Mobile phone, the surface of the mobile phone is fixedly connected with a protective shell. A first circular groove is correspondingly formed in one side, close to the mobile phone, of the protective shell and in the position of an earphone hole in the mobile phone; a first fixing plate is fixedly connected to the side, away from the mobile phone, of the protective shell and located above the first circular groove. A second fixing plate is fixedly connected to the position, under the first fixing plate, of the protection shell. First sliding grooves are formed in the sides, close to the first circular groove, of the first fixing plate and the second fixing plate correspondingly. A first sliding block is connected into the first sliding groove. By arranging the first square plate, a first spring, a cover plate, a rotating shaft and a sealing plate, water is prevented from entering from a k