Contraindications to flurbiprofen mainly include hypersensitivity to the components of this drug and active peptic ulcers. Flurbiprofen belongs to non-steroidal anti-inflammatory drugs, with anti-inflammatory, analgesic and antipyretic effects, this drug is suitable for rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, etc., but also can be used for soft tissue diseases, such as sprains and strains, as well as mild to moderate pain, such as dysmenorrhea and post-surgical pain, toothache and so on. Flurbiprofen can cause nausea, vomiting, palpitations, increased blood pressure, changes in vision, and inhibit platelet aggregation, prolong bleeding time and peptic ulcers and other adverse reactions. It is contraindicated in people who are allergic to the components of the drug and in the presence of active peptic ulcers. Precautions: use with caution in patients with gastrointestinal ulcer disease. Use with caution in patients with a history of bronchial asthma or in patients who have experienced bronchospasm due to the administration of other non-steroidal anti-inflammatory drugs. Cardiac, hepatic, renal insufficiency and hypertension, hemophilia patients should be used with caution. Rheumatoid arthritis can often be observed anemia, so long-term use of the drug should be regularly checked blood and liver and kidney function. Flurbiprofen should be used under the guidance of a physician, do not take it without authorization, in order to avoid adverse consequences.