Oral painkillers often given after a fracture are mainly of the following types: 1. The most commonly used are non-steroidal anti-inflammatory drugs, such as celecoxib, ericiclib, loxoprofen sodium, etc. The role of non-steroidal anti-inflammatory drugs is mainly to inhibit prostaglandin synthesis to achieve the purpose of relieving inflammation and pain, the defect of non-steroidal drugs is that for patients with a history of peptic ulcers, or patients with a history of gastrointestinal bleeding is not The disadvantage of NSAIDs is that they are not recommended for patients with a history of peptic ulcers or a history of gastrointestinal bleeding. For patients with a previous history of cardiovascular disease, the use of NSAIDs also requires caution.2. Opioid receptor blockers represented by aminophenol oxycodone have a strong analgesic effect, with the side effect of respiratory depression in some patients and nausea, vomiting, dizziness and other side effects in a few patients. Some proprietary Chinese medicines also have analgesic and pain-relieving purposes, such as Cao Wu Jia Su tablets. In addition to this, elevating the affected limb, giving ice, traction or plaster braking are all helpful to relieve the pain caused by fracture.