Compound modified chitin gel preparation and preparation method thereof

The invention provides a compound modified chitin gel preparation and a preparation method thereof, and belongs to the field of pharmaceutical preparations. Specifically, the compound modified chitin gel preparation comprises two active ingredients, namely local anesthetics and chitosan, and pharmaceutically acceptable auxiliary materials. The auxiliary materials comprise a gel matrix, a pH regulator formed by combining acid and alkali, a solubilizer, a humectant and a solvent. The gel preparation not only can stop bleeding, but also can relieve pain, is convenient for a patient to use, is free of foreign body sensation, and can greatly improve the compliance of a patient. The gel disclosed by the invention can be used for sterilizing and disinfecting, promoting the activation of cells, and generating a large amount of collagenous fibers, so that scars are not left on wounds, and the wound healing is promoted. The gel disclosed by the invention has good biocompatibility and biodegradability, which has relativ