1. Any target treatment like sorafenib within 2 weeks prior to first dose of study drug; With the exception of target treatment, any anti-cancer systemic treatment (including chemotherapy, immunotherapy, radiotherapy, and anti-cancer Chinese traditional medicine, et al) or locoregional therapy (including but not limited to surgery, radiofrequency ablation or transarterial chemoembolization ) within 4 weeks prior to first dose of study drug; any supportive treatment for haematology (including transfusion, blood products, or drugs that stimulate blood cells growth like G-CSF, et al) within 2 weeks prior to first dose of study drug.