Oxycodone Hydrochloride Extended-Release Tablets are strong opioid pain relievers, similar to morphine and hydromorphone, which have a strong pain relieving effect, and can produce dependence with repeated application or in large quantities. It can relieve persistent moderate to severe pain and must be used with strict indications. Because it is an extended-release tablet so it should be swallowed whole, it can not be broken, chewed or crushed, once the external image of the drug is destroyed, it can make the drug release quickly, and may cause serious adverse reactions, even death. Adverse reactions such as drowsiness, nausea, vomiting, dizziness, headache, dry mouth, excessive sweating, nervousness, insomnia, mental abnormalities can occur with the application of Oxycodone Hydrochloride Extended-Release Tablets. This drug has a certain respiratory inhibitory effect, so it should be contraindicated in patients with asthma, chronic obstructive respiratory disease, craniocerebral injury, and should be used with caution or under supervision in patients with paralytic intestinal obstruction, gastroparesis, pulmonary heart disease. It is especially important to emphasize that this drug is a controlled drug, it must be purchased through regular channels, it should be applied rationally, it is addictive and should be applied with caution.