Clinical Study on Efficacy and Safety of Hetrombopag in the Preoperative Patients of Thrombocytopenia

Hetrombopag 7.5 mg, once a day, at bedtime for up to 14 days, drug administration was stopped when PLT≥100 ×10\^9/L, and take blood routine examination weekly, drug administration was resumed when PLT \< 100 ×10\^9/L. When PLT ≤30× 10\^9/L or ≥300 ×10\^9/L, take blood routine examination every 3 days.