Antiemetic agent component containing transdermal absorption patch

The invention discloses a percutaneous absorption patch containing an antiemetic component, which is used for preventing and treating nausea and vomit caused by antitumor chemotherapeutic medicaments and postoperative nausea and vomit. An antiemetic medicament can be supplied effectively through skin within 5-7 days, and the percutaneous absorption patch is convenient, safe and effective for using. A pressure sensitive adhesive storage layer of the percutaneous absorption patch comprises an antiemetic medicament, an accelerating agent, an viscous polymer, a medicament stabilizer and a pH regulator, wherein the viscous polymer is a mixture consisting of a lipophilic viscous polymer and a hydrophilic viscous polymer; and the pressure sensitive adhesive storage layer can be coated on a single layer or upper and lower layers.