Tablet computer supporting and protecting sleeve with high practicability

The invention relates to the technical field of electronic product protective jackets, in particular to a high-practicability tablet personal computer supporting protective jacket which is used for supporting and protecting a tablet personal computer and comprises a protective clamp, a supporting piece, a keyboard and a keyboard base, the keyboard is arranged on the keyboard base, the protective clamp is connected with the keyboard base, and the supporting piece is connected with the keyboard base. A protection rubber pad is fixed to the side face, facing the keyboard, of the protection clamp through glue, the supporting piece comprises an attaching part, a supporting part and a bearing part, one end of the supporting part is rotationally connected with the attaching part, the other end of the supporting part is rotationally connected with the bearing part, the attaching part is connected to the protection clamp in an attached mode, and the bearing part is movably connected to the keyboard base. According to