HSK3486 (Cipepofol) Injectable Emulsion for Induction of General Anesthesia in Pediatric Subjects Undergoing Elective Surgery

Inclusion Criteria: \- 1. Subjects undergoing elective surgery requiring endotracheal intubation. 2. Males or females, aged ≥3 and \<18 years old, with ASA-PS I to IV. 3. For all females of childbearing potential, negative pregnancy test at screening and baseline. Additionally, females of childbearing potential must agree to use birth control (such as condom, intrauterine device \[IUD\], abstinence) from the time of consent until 30 days post study drug administration. 4\. Subjects must be able to adhere to the study visit schedule and complete all study assessments. Exclusion Criteria: * 1\. Subjects whose surgery is emergent, or who need emergency treatment during the surgery, or who need transfusion based on the investigator's judgment. 2\. Contraindications to deep sedation/GA or a history of adverse reaction to sedation/GA. 3\. Subjects known to be allergic to excipients in propofol injection, excipients in cipepofol injectable emulsion (soybean oil, glycerol, triglyceride, egg lecithin, sodium oleate and sodium hydroxide), benzodiazepines, opioids, rocuronium, atropine, and their active ingredients; and to have contraindications to propofol. 4\. Subjects with history or evidence of any of sever system diseases increasing the risk of sedation/anesthesia prior to screening/baseline and deemed unsuitable for participation by the investigator: 5. Subjects with respiratory tract management risks prior to/at screening. 6. Subjects who have participated in clinical studies of any drug within 1 month prior to screening. 7\. Females of childbearing potential (i.e., post-menarche) who are unwilling to use contraception during the entire study period. 8\. Subjects unsuitable for this study for any reason as judged by the investigator.