With the improvement of people's demand for scientific and reasonable diet, there is a strong demand for "nutrition and health professionals" who understand the balanced structure of diet. It is reported that China's Ministry of Personnel launched new occupations such as "nutrition health care division" and "mental health care division" last year, and vocational training and vocational qualification research have also begun. Authoritative certification: those who have completed the prescribed courses and passed the unified examination will be awarded the junior, middle and senior qualification certificates of professional and technical personnel in the pharmaceutical industry of Chinese Medical Association; The certificate shows that the holder has passed the relevant examination and has the working ability and business level of the corresponding occupation and level, which can be used as the basis for the employer to engage in the professional work and recruit the professional personnel. And log on to China Medical Education CMAE official website for enquiry. Those who pass the examination will be awarded the corresponding skill certificates by the China Vocational Education Qualification Certification Guidance Center. (National Vocational Education Qualification Certification CVEQC Primary), (National Vocational Education Qualification Certification CVEQC Intermediate) and (National Vocational Education Qualification Certification CVEQC Advanced) are for relevant personnel to apply for jobs, obtain employment and promote, and the certificates are valid nationwide.