Dexrazopiclone belongs to the sedative-hypnotic class of drugs, which is a short-acting sleep aid drug, mainly used for patients who have difficulty sleeping, with precise, safe, reliable treatment effect and less side effects. Common side effects include headache, viral infection due to decreased resistance, dry mouth, indigestion, nausea, vomiting, anxiety, depression, blurred consciousness, skin rash, etc. When the above side effects occur, you should stop the drug and consult your doctor or pharmacist. Take orally half an hour before bedtime, 2mg/dose, the dose may be increased or decreased according to the therapeutic effect, severe hepatic insufficiency and elderly patients start from 1mg/dose. Dexrazopiclone is contraindicated in patients with hypersensitivity to dexrazopiclone, in patients with respiratory failure and in patients with severe apnea syndrome. Dexzopiclone can be excreted through the placenta and also through breast milk; therefore, it should be used with caution in pregnant and lactating women.