Sticking patch main body for tissue repair and preparation method thereof

The invention discloses a sticking patch main body for tissue repair and a preparation method thereof. The preparation method of the sticking patch main body is characterized by comprising the following steps: acquiring an animal small intestinal submucosa, wherein the animal small intestinal submucosa is prepared by carrying out disinfection, degreasing, decellularization and virus removal on film-shaped or lamellar tissues of animal small intestines and is subjected to acid-base alternate treatment, and a pancreas chymotrypsin solution with a solute mass percentage of 0.05%-0.5% is adopted in the decellularization step; carrying out compounding, compression, overlapping, drying and sewing on the small intestinal submucosa, so as to obtain the main body; and compounding the main body witha contact layer, and carrying out compression and drying, so as to obtain a sticking patch for tissue repair, wherein the contact layer is the animal small intestinal submucosa. The sticking patch main body prepared by virtu