The subject of public demand refers to the general knowledge and skills that all professional and technical personnel should master according to the unified requirements of the country, province and city (English and computer are implemented according to the original regulations and are not included in the registration scope). All professional and technical personnel must master policies, laws and regulations, basic theories, technologies and information.

The subject of public demand is determined by the competent department of human resources and social security of the provincial people's government in conjunction with relevant administrative departments and industry organizations, and organized and implemented by the competent department of human resources and social security of the people's government at or above the county level. The main task is to enable professional and technical personnel to continuously learn new theories, technologies, methods, skills, information and knowledge in combination with their own work, improve their knowledge structure, and improve their innovation ability and professional and technical level.