Antidiarrheal patch

The utility model relates to the technical field of antidiarrheal patches, and discloses an antidiarrheal patch which comprises a back lining layer, a sticking layer is arranged at the bottom of the back lining layer, release paper is arranged on the surface of the sticking layer, a through groove is formed in the center of the surface of the back lining layer, a fixing cylinder is arranged on the inner wall of the through groove, and the fixing cylinder is arranged on the inner wall of the through groove. The inner wall of the fixing cylinder is in threaded connection with a mounting cylinder, and a pushing mechanism is arranged at the top of the inner wall of the mounting cylinder. According to the antidiarrheal patch, the fixing cylinder, the mounting cylinder, the pushing mechanism and the replacement medicine core box are arranged, release paper is torn, the replacement medicine core box is filled with medicine core dressing, the replacement medicine core box is aligned to the navel, the backing layer is