The main modules of human resource management system can be divided into: human resource planning, recruitment and allocation, training and development, performance management, salary management and employee relationship management.

Each module is inseparable, and the focus of work should be constantly adjusted according to different situations to ensure the benign operation of human resource management and support the ultimate realization of enterprise strategic objectives.

Micro-management of human resources;

Micro-management of human resources is to manage people and things in enterprises and institutions, deal with the relationship between people and the cooperation between people, give full play to people's potential, plan, organize, command and control people's activities, and achieve organizational goals.

Human resources experts pointed out that China has a huge amount of human resources, but the quality is not optimistic. School education is only the preparation of knowledge. In order to meet the requirements of society, these people also need the secondary development and training of human resources by society and organizations.

This includes not only skill training, but also education in interpersonal communication, code of conduct and social morality. For enterprises, professional education is one of the important contents.

Small and medium-sized enterprises should solve the problem of human resource management and avoid "only treating headaches and feet pain". Enterprises must start from the enterprise strategy, break the "right thinking" centered on people, establish the "process thinking" centered on things, and realize the breakthrough thinking from functional management to process management. So as to realize the strategic goal of the enterprise.