Inclusion Criteria:  Normal results of physical examination, laboratory tests (blood routine, blood biochemistry, and urine routine), and 12-lead ECG, or considered by the investigator to be clinically insignificant abnormalities; no significant potential difficult airway (modified Mallampati score Class I-II); No previous history of primary diseases in major organs, such as liver, kidneys, digestive tract, blood, and metabolic diseases; no history of malignant hyperthermia and other hereditary disorders; no history of mental/neurological disorders; no history of epilepsy; no contraindications for deep sedation/general anesthesia; no clinically significant history of anesthesia accidents; Understand procedures and methods of this trial, willing to sign the informed consent form and comply strictly with the clinical trial protocol to complete this study.  Exclusion Criteria:  Known allergies to excipients of ciprofol injectable emulsion (soybean oil, glycerin, triglyceride, egg lecithin, sodium oleate, and sodium hydroxide), mefanamic acid, or valproate, or having contraindications to ciprofol/mefanamic acid/valproate; a history of drug allergies (including anesthetics), allergies, or prone to allergies;