Non-steroidal anti-inflammatory drugs: The first and most important side effect is gastrointestinal reaction, usually the patient shows abdominal discomfort, nausea, vomiting, bleeding or peptic ulcer, etc. Oral gastric mucosa protective drugs can be taken to reduce the damage of such drugs on the gastrointestinal tract. Next is the skin reaction, the patient can have skin damage, including rash, urticaria, exfoliative dermatitis and photosensitivity and other skin damage. Then a small number of non-steroidal drugs can cause renal impairment, these patients can cause acute kidney damage, but can recover after discontinuation of the drug, and can also appear liver function damage, can be manifested as liver function enzymatic elevation, and even a small number of patients can develop liver failure. There are also adverse reactions of the cardiovascular system, including arrhythmia, elevated blood pressure, and panic, etc. Rarely, there can be changes in the patient’s hematological system, including prolonged bleeding time. Finally, the most rare is the central nervous system reactions, patients manifest dizziness, headache, tinnitus, abnormal taste, etc.