1. Basic theories: including basic medical theories related to disease diagnosis and treatment, such as basic theories of human anatomy, pathophysiology, pharmacology, blood transfusion, blood transfusion and water electrolysis balance, causes and pathogenesis of shock, infection and fever, principles of diagnosis, differential diagnosis and treatment of common diseases, basic theories of nutrition, heating and physiology of critically ill patients, etc.
2. Basic knowledge: including clinical medical knowledge that directly provides scientific basis for the diagnosis and treatment of diseases, such as medical and nursing diagnosis and treatment norms, positive signs of various diseases, sampling methods and clinical significance of various tests, basic components, contraindications, methods of action, uses and indications of various drugs, etc.
3. Basic skills: including the basic diagnosis and treatment skills that medical staff should have, and the thinking and judgment ability of formulating diagnosis and treatment plans according to theoretical knowledge and practical experience and the patient's condition.