Paradoxical Reactions of Remimazolam in Pediatric Painless Gastrointestinal Endoscopy

Inclusion Criteria: * Age 1-12 years old * ASA I-II level * Sign an informed consent form Exclusion Criteria: * Developmental delay or neurological and psychiatric disorders * Severe malnutrition or severe obesity * High risk of stomach fullness and reflux aspiration * Allergic to benzodiazepines and opioids * Those who have taken sedative, analgesic, or antidepressant drugs within 24hours * Severe sleep apnea * Abnormal liver and kidney function * Recently participated in other clinical studies