The popular name of "nutrition caterer" is "ordering chef". With the improvement of living standards, people now pay attention not to eating well, but to eating well, so a kind of "nutritional caterer" came into being, which can provide personalized scientific catering services for customers' age, gender and physique. Therefore, with the maturity of consumers' consumption consciousness, the market demand of this profession has increased rapidly, and the estimated demand is as high as 500,000 or more.

In recent years, diseases caused by unreasonable diet, such as fatty liver and hyperlipidemia, are threatening people's health, especially in big cities. The demand for nutrition caterers in schools, institutions, enterprises and catering industry is increasing day by day, and will increase year by year from 2005.

At present, there are almost no people engaged in this profession in China. The training and assessment of nutrition caterers have been piloted in a few cities, such as Guangzhou and Chengdu, with good results. The entry threshold of this profession is not high, and the training period is about two months. Mainly study the basic knowledge of cooking materials, food nutrition, food safety, catering cost accounting, nutritious meal preparation, nutritious recipe making, nutritious meal making, food hygiene laws and regulations and professional ethics.