Every drug has side effects and therapeutic effects, it is not scientific to see only side effects of Celecoxib capsules and not use them. Before taking the drug to understand the role of drugs, side effects and contraindications, under the guidance of the above weigh the pros and cons of use. 1. role: celecoxib capsules have analgesic and anti-inflammatory effect, clinically commonly used in osteoarthritis, rheumatoid arthritis and ankylosing spondylitis and other diseases of the treatment. 2. Side effects: some people taking celecoxib may appear rash, itching, urticaria and other skin allergic reactions; may also appear abdominal pain, gastric ulcers, gastrointestinal bleeding and other digestive reactions, cardiovascular disease may increase the risk of cardiovascular disease; may also lead to liver function, renal function abnormalities. 3. Contraindications: hypersensitivity to the product or any component of the product; known hypersensitivity to sulfonamide; known to take aspirin or other NSAIDs, including other cyclooxygenase-2 specific inhibitors, or other allergic reactions induced by asthma, urticaria or other allergic reactions; patients with coronary artery bypass grafting; patients with active peptic ulcers or bleeding; patients with heart failure. It is recommended that patients read the instructions and consult a doctor before taking the drug, and if symptoms occur after taking the drug, please consult a doctor for examination and treatment in order to avoid delaying the condition.