When tumor patients are in different periods of the disease, the pain sensation produced will be different. 1.Non-steroidal anti-inflammatory drugs: For patients in the early stage of tumor, the pain is light, they can use non-steroidal anti-inflammatory drugs for pain relief, which can help patients reduce pain and are widely used. There is no addiction, commonly used drugs include diclofenac sodium, ibuprofen, acetaminophen, indomethacin suppositories, etc.; 2. Central painkillers: when tumor patients cannot ensure normal sleep due to pain and affect normal life, they can choose to use central painkillers, and they also have pain relief effect for acute pain and post-operative tumor, central painkillers generally include tramadol, codeine, dihydrocodeine, etc.; 3. Narcotic painkillers: Narcotic painkillers are suitable for patients with advanced tumor, whose pain is more intense and difficult to control. At this time, narcotic painkillers can relieve the pain of most patients, but addiction can occur after long time use. The commonly used narcotic painkillers are pethidine, morphine, oxycodone, fentanyl and so on. For tumor patients with pain, they should seek medical treatment in time and choose drugs under the guidance of doctors to help them relieve pain as soon as possible, and they should supplement their own nutrition to enhance their body resistance to ensure their quality of life and prevent deterioration of their condition.