The training time of public dietitians in general countries varies from place to place, ranging from half a month to one or two months, from all day to half a day. However, the public dietitian is a pilot examination subject launched by the Ministry of Labor, which is currently only held in some pilot cities. The general examination time is on March 9 and 65438+February every year. It depends on the specific requirements of vocational skill appraisal institutions.