Trofetib citrate tablet is a new biological agent, a jak inhibitor, and a small molecule targeted drug. There are also some contraindications for the use of such drugs. For example, people with severe allergic reactions, patients with severe infection or latent hepatitis, tuberculosis and other infections, or patients with tumors, are not allowed to use. Because such drugs, if used for a long time, may cause some aggravation or outbreak of viral infections such as tuberculosis and hepatitis, and may also increase the incidence of tumors. Therefore, it must be used with caution and needs to be comprehensively evaluated by professional doctors.