Three basic principles and three strict requirements. According to Bao Zheng Medical Education Network, the three basics of nursing refer to basic knowledge, basic theory and basic skills, and the three strictness refers to strict requirements, strict organization and strict attitude. Nursing "three basics and three strictness" is the basis and core part of every nursing staff's study, aiming at consolidating nursing foundation and improving nursing quality and professional quality of nursing staff through step-by-step daily training and assessment.