Rheumatoid arthritis patients can take folic acid tablets. Folic acid is a water-soluble vitamin that plays a role in the human body in influencing the metabolism of proteins and genetic material, promoting growth, and improving the body’s immunity, etc. Folic acid tablets can be used for the treatment of chronic hemolytic anemia, megaloblastic anemia caused by folic acid deficiency, and preventive administration to lactating women during pregnancy. Rheumatoid arthritis patients will use methotrexate tablets in the treatment process, the drug will lead to a decrease in the concentration of folic acid in the body, may induce anemia and other adverse reactions, so rheumatoid arthritis patients need to follow the doctor’s instructions to supplement folic acid when using methotrexate. The above drugs need to be used under the guidance of a doctor, it is recommended that rheumatoid arthritis patients consult the rheumatology and immunology department in a timely manner, under the guidance of the doctor to carry out standardized treatment, follow the doctor’s instructions to take the relevant drugs, and regular follow-up.