SZ-1108

Primary objectives: To evaluate the safety and tolerability of single and multiple oral administration of SZ1108 tablets in Chinese healthy subjects; Secondary objectives: (1) To evaluate the pharmacokinetic (PK) properties of single and multiple oral administration of SZ1108 tablets in Chinese healthy subjects to provide a basis for the design of subsequent clinical trials. (2) To collect fecal samples to conduct an exploratory study on the effect of SZ1108 on intestinal microecology.