Public dietitian is one of the fourth batch of new occupations released by Ministry of Human Resources and Social Security. It is a professional and skilled talent that meets the needs of society and market. Refers to the professionals who have been trained in professional knowledge and skills, passed the national vocational qualification examination and obtained the vocational qualification certificate (Article 6 of Ministry of Human Resources and Social Security Fa [1994] No.98 stipulates that "Ministry of Human Resources and Social Security is responsible for the issuance and management of skilled vocational qualification certificates"), engaged in nutrition guidance, the dissemination of nutrition and food safety knowledge, and promoted public health.

At present, there is a shortage of nutrition professionals in China, and the employment prospects of public nutritionists are very broad. As long as the public dietitian has graduated from high school (or equivalent) or above, has certain nutrition-related work experience, and has been trained in relevant courses of public dietitian according to the requirements of the Ministry of Labor and Social Security on the professional standards of public dietitian, participated in the examination organized by the labor and social security department, and obtained the corresponding national vocational qualification certificate of public dietitian, he can engage in relevant work of public dietitian. Different levels of public nutritionists have different job requirements.

Public dietitians can provide nutritional advice and guidance for healthy and sub-healthy people. Public nutritionists can not only play an important role in the community, but also provide education, consultation and guidance services for employees, white-collar workers, senior managers, athletes and families.