Zhengqing Fengqinning Extended-Release Tablets are not painkillers, but can produce some relief for some symptoms of pain. Zhengqing Fengqinning Delayed-Release Tablets is a proprietary Chinese medicine, the main ingredient of which is cymbopogonine hydrochloride, which has the efficacy of dispelling wind and removing dampness (dispelling wind and dampness in the body), activating blood circulation and eliminating hydropathy and swelling. The drug can be used for rheumatoid arthritis and rheumatoid arthritis patients with wind-cold-dampness paralysis, helping to improve symptoms such as muscle pain, joint swelling and pain, unfavorable joint flexion and extension (abnormal joint extension and bending function), and numbness and stiffness of limbs, and therefore may have a certain effect on relieving the pain symptoms of the above patients. However, the drug does not belong to the analgesic drugs, its adverse reactions after the use of skin flushing, burning, itching, rash; occasionally gastrointestinal discomfort, nausea, loss of appetite, dizziness and headache, excessive sweating; a small number of patients with leukopenia and thrombocytopenia; rare lethargy. This product is contraindicated in pregnant or lactating women; it is contraindicated in people with a history of asthma and allergy to cymbalta alkaloids. This drug is a prescription drug, should be taken under the guidance of a physician, when discomfort occurs, it is recommended to consult a professional physician in a timely manner, not self-medication.