This course helps the students to understand blood,body fluids, biophysics, immunology, pathogenic examination, etc. It is abridge course between basic medical courses and clinical professional courses.It focuses on clinical diagnosis and involves multi-disciplinary. Students canbe familiar with the correct methods of collecting, preserving and transportingspecimens, understand the principles and methods of testing, master theadaptability, reference values and clinical significance of various tests,enable to master clinical thinking, use experimental results, providescientific basis for clinical diagnosis, observation of efficacy, formulationof prevention and treatment measures, judgment prognosis, etc., and lay a solidfoundation to study this and other disciplines in the future through theteaching activities of this course.