In the clinical Nimesulide capsules are more commonly used non-steroidal anti-inflammatory drugs, the specific role is analgesic, antipyretic, anti-inflammatory. There are also side effects, the specific side effects are the following: 1, Nimesulide capsule if long-term use may have some damage to liver function, during the taking of Nimesulide capsule should monitor liver function, once caused by serious liver damage should stop or reduce the dose. 2, Nimesulide capsule side effects also include stimulation of the gastrointestinal system, often leading to patients with acid reflux, heartburn, nausea, vomiting and other related symptoms, For patients with gastric ulcer, duodenal ulcer or gastritis, it is not recommended to take Nimesulide capsules. The above analysis shows that Nimesulide capsules should be taken under the guidance of a doctor, with regular follow-ups, and should be discontinued or the dose reduced as soon as adverse reactions and symptoms occur.