Ereximab is best taken after meals, it belongs to a non-steroidal anti-inflammatory drug, the specific clinical application is mainly for chronic back, leg, joint and traumatic pain, for visceral pain, ischemic and dull pain, the application effect is not good, for some cancer-induced pain effect is also not ideal. Ereximab belongs to a non-steroidal anti-inflammatory drug, although it is also a COX-2 inhibitor, the effect on the gastrointestinal tract still exists, and most patients are advised to take it after meals to avoid damage to the gastric mucosa, especially for patients with a previous history of peptic ulcer, chronic gastritis or erosive gastritis. It must also be cautioned that, as with other NSAIDs, ericiclib may induce serious cardiovascular adverse events and severe asthma, so patients with a prior history of these conditions should pay attention and be aware when using this class of drugs.