Shangjie Tofacitib Citrate Tablets are mainly used for the treatment of autoimmune diseases, such as rheumatoid arthritis. This drug belongs to a kind of protein tyrosine kinase inhibitor that can be taken orally, with anti-inflammatory and anti-rheumatic effects, mainly used for the treatment of moderate-to-severe rheumatoid arthritis, and is usually chosen when patients are intolerant to methotrexate or when its use does not work. It is not recommended to be used together with strong immune agents. The choice of drugs needs to be used under the guidance of a professional doctor, do not blindly use drugs on your own. Shangjie Tofacitib Citrate Tablet has adverse effects such as the development of herpes zoster, infectious diseases, including serious infections, and patients with liver and kidney insufficiency should use this drug with caution.