The generic name of Futenarin Ointment is Diclofenac Diethylamine Latex, which can be used as an adjunctive pain reliever for intercostal neuralgia. Diclofenac diethylamide latex belongs to non-steroidal drugs, which are prostaglandin synthesis inhibitors with anti-inflammatory and analgesic effects, applied topically. Its active ingredients can penetrate the skin to reach the area of inflammation, relieve acute and chronic inflammatory reactions, can relieve mild to moderate pain in muscles, soft tissues, joints, but also symptomatic treatment of osteoarthritis. The use of diclofenac diethylamide latex for intercostal neuralgia is effective in relieving localized pain, but it is not usually the drug of choice. When intercostal neuralgia is in the seizure phase, antiepileptic drugs such as carbamazepine, pregabalin, and gabapentin may be given as the drug of choice for analgesia. If medications are not effective in treating intercostal neuralgia, surgery may be considered to remove the diseased nerve. Intercostal neuralgia patients should combine their own situation, under the guidance of the doctor to choose the appropriate treatment for themselves, the above drugs need to consult a doctor before use to avoid adverse effects. Diclofenac diethylamide latex is prohibited for those who are allergic to other NSAIDs and for women during pregnancy.