Traditional Chinese medicine hydrogel antidiarrheal patch and preparation method thereof

The invention provides a traditional Chinese medicine hydrogel antidiarrheal patch and a preparation method thereof. The traditional Chinese medicine hydrogel antidiarrheal patch is composed of an anti-sticking layer, a hydrogel layer and a backing layer. The hydrogel base layer is prepared by mixing traditional Chinese medicines including nutmeg, fructus evodiae, rhizoma zingiberis, cassia twig, folium artemisiae argyi, agastache rugosus, fructus amomi and a black prepared common monkshood daughter root extract according to a certain proportion, adding a framework material, a tackifier, a humectant, a cross-linking agent, a cross-linking regulator, a penetration enhancer and distilled water to prepare a drug-loaded hydrogel matrix, and then coating, cutting and standing. The traditional Chinese medicine paste is pasted on the umbilical region, and has the effects of warming middle-jiao and strengthening spleen, relieving diarrhea with astringents, tonifying kidney and supporting yang, warming yang and transf