Protective sleeve for physiotherapy electrode slice

The protective sleeve comprises a cuboid breathable waterproof fabric bag body matched with the electrode slice (10) in shape, a semicircular opening (2) is formed in the middle of the upper end of the rear wall face (1) of the bag body, the height of the bottom (1-1) of the front wall face of the bag body is 5-10 mm, and the inward extending width of a left side wall (1-2) and a right side wall (1-3) of the front wall face is 4-8 mm. A square window provided with a water absorption layer (3) is formed in the middle of the front face of the bag body, and the left side and the right side of the rear wall face (1) of the bag body are respectively connected with an adhesive layer (4). During treatment, the medicine is directly sprayed on the water absorption layer, so that the problem that the medicine is difficult to unfold and flatten after being adhered by gauze is avoided, and a flat and soft medicine layer can be formed between the electrode plate and the skin. And the back wall surface is connected with th