To Evaluate the Safety and Tolerability of Multiple Doses of GS3-007a Oral Solution in Healthy Subjects.

Inclusion Criteria: * Healthy adult subjects aged 18-45 years (including boundary values), male or female; * Body mass index: 19-26 kg/m2 (including boundary values), male weight ≥50 kg, female weight ≥45 kg; Exclusion Criteria: * (Screening period consultation) accumulated two or more allergies to other drugs, food and environment; Or prone to rash, urticaria and other allergic symptoms; Or are known to be allergic to growth hormone-promoting peptide drugs or excipients of this preparation; * (screening period) have a clear history of neurological or mental disorders; Persons with incapacity or cognitive impairment; * ALT and AST exceed the upper limit of the normal range;