Diclofenac sodium injection, the indication is 1. It is used to relieve joint swelling and pain in the acute attack period of various chronic arthritis such as rheumatoid arthritis, osteoarthritis, spondyloarthropathy, gouty arthritis, rheumatoid arthritis and so on. 2. Relieve rheumatic pain during acute attacks of various soft tissues, such as shoulder pain, tenosynovitis, bursitis, myalgia, etc. 3. Acute mild to moderate pain such as: post-operative, post-traumatic, post-traumatic and post-exercise traumatic pain, primary dysmenorrhea, toothache, headache, etc. 4. It has antipyretic effect on the fever of adults and children.