A Clinical Study of Herombopag in Tumors-associated Thrombocytopenia

Inclusion Criteria: 1. Age ≥18, no gender limitation; 2. Participants with solid tumors confirmed by histopathological or cytological examination; 3. During the current tumor treatment cycle, the participants whose PLT\<50×109/L, and will receive the current tumor treatment regimen for at least 1 cycle; 4. Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2. 5. Voluntarily participated in the study and signed the informed consent with good compliance. Exclusion Criteria: 1. Suffering from any of the following diseases of the hematopoietic system other than thrombocytopenia caused by tumor therapy, including but not limited to leukemia, primary immune thrombocytopenia, myeloid proliferative disease, multiple myeloma and myelodysplastic syndrome; 2. Suffering from thrombocytopenia (not caused by tumor treatment), including but not limited to chronic liver disease, hypersplenism, infection, and bleeding, within 6 months prior to screening; 3. Bone marrow invasion or bone marrow metastasis; 4. Received radiation therapy to the pelvis, spine and bone field within 3 months prior to screening; or is/is expected to receive radiation therapy. 5. Received TPO-RA drugs (such as altrepopal and romistine), or rhTPO or rhIL-11 in the current cancer treatment cycle; 6. Received platelet transfusion within 3 days prior to randomization; 7. Participants with known or expected allergy or intolerance to the active ingredient or excipient of Herombopag Olamine tablets; 8. Pregnant or lactating women; 9. Participants who are participating in other clinical trials. 10. Other conditions that the investigator determines are not suitable for inclusion in the study.