a member of Blood Transfusion Branch of Luohe Medical Association. He has been engaged in blood coagulation test and blood transfusion test for 10 years, published 3 papers related to blood coagulation test, and has rich clinical blood use experience. He has been rated as "excellent technologist" and "advanced individual" for many times. He is good at identification of difficult blood groups, difficult cross matching, diagnosis of hemolytic disease of newborn and consultation of clinical blood use.