The utility model belongs to the technical field of convenient tablet protective sleeve, concretely relates to a convenient tablet protective sleeve with automatic adsorption function, including protection sleeve and the first
butt joint board of installation in the back of protection sleeve, the back of first
butt joint board is connected with the turnover board, one end of turnover board is connected with the protective cover, the inside of protective cover is equipped with the support groove, the utility model discloses when using convenient tablet protective sleeve, when personnel plays electronic game with tablet, first
butt joint board is taken off from the opening of protection sleeve surface, after that, the strong
magnet of first butt joint board inner wall is separated from the magnetic attraction connection between tablet, at the same time, the paste ring is taken off from the back of protection sleeve and is pasted in the groove, and then the turnover board and the protective cover are separated and taken off on the back of protection sleeve, so that according to the demand, separation is used, and conversely, first butt joint board can be quickly magnetized to the surface of protection sleeve and is clamped in the opening, so as to guarantee that the protective cover and the back of tablet are automatically adsorbed and stable.