It is widely used in clinical practice for pain caused by various reasons, including pneumonia, dry cough, headache, fever and cough caused by cold, traumatic pain, post-surgical pain, rheumatic pain such as arthritis, knee osteoarthritis, headache, toothache and nerve pain. It is also effective for rheumatic pain, such as joint disease, knee arthritis, headache, toothache and nerve pain. In addition, this drug can also be applied to patients with advanced malignant tumors, and can relieve the phenomenon of generalized pain caused by advanced cancer through moderate application.