The primary objective of the study is to evaluate the relative bioavailability of early phase and late phase hetrombopag olamine formulations in healthy Chinese adult subjects under fasting conditions. The secondary objective of the study is to evaluate the safety of hetrombopag olamine in healthy Chinese adult subjects.

Inclusion Criteria:

1. Sign the informed consent before the trial, and fully understand the trial content, process and possible adverse reactions;
2. Ability to complete the study as required by the protocol;
3. Healthy male or female subjects aged 18 to 45 (including 18 and 45) at the date of signing the informed consent;
4. Body mass index (BMI) within the range of 19 ~ 26 kg /m2 (including 19 and 26);

Exclusion Criteria:

1. Allergic constitution;
2. History of drug use, or drug abuse screening positive;
3. Alcoholic or often drinkers;
4. History of deep vein thrombosis, or any other thromboembolic event;
5. A clear medical history of important primary organ diseases such as nervous system, cardiovascular system, urinary system, digestive system, respiratory system, metabolism and musculoskeletal system.