Percutaneous absorption film coating agent for treating rheumatoid arthritis and preparation method thereof

The invention relates to a percutaneous absorption film coating agent for treating rheumatoid arthritis and a preparation method thereof. The film coating agent comprises main drugs for treating the rheumatoid arthritis, a drug solvent, a binding agent, a film forming agent and a percutaneous absorption penetration enhancer. The main drugs for treating the rheumatoid arthritis comprise triptolide and analgesic lidocaine hydrochloride for alleviating the pain from the rheumatoid arthritis. The film coating agent has the advantages of complete pharmacological actions, strong pertinence, long-acting pharmacological effects and simple preparation method, and can properly block the main pathological link of the development of the rheumatoid arthritis disease.