| 1929 | Department of home economics established at Ewha Women's Professional School |
| 1950 | The title, "Dietitian", was first used when a graduate of the college of home economics obtained a bachelor of science and was placed in charge of meals at the hospital |
| 1962 | The Food Sanitation Act was established and the dietitian's license introduced |
| 1963 | Regulations for the dietitian established in accordance with Decree of the Ministry of Health and Social Affairs |
| 1964 | The first dietitian's license issued |
| 1967 | A regulation that institutional food service(meals service for 50 or more people) must have a dietitian is promulgated. |
| 1979 | Dietitians for school food service officially employed as public officials involved in health according to the National Public Service Law |
| 1981 | The School Meals Act was established |
| 1982 | A regulation that hospital shall have a dietitian stated in the enforcement regulations of the Medical Service Act |
| 1987 | A regulation about the supplementary education for dietitians is promulgated. |
| 1991 | A regulation that childcare and nursery facilities with 100 or more children must have a dietitian is indicated in the Infant Care Act |
| 1995 | A regulation that central and local governments shall perform programs for the improvement of nutrition is stated in the National Health Promotion Act |
| 1997 | A regulation that public health centers must have a dietitian is mentioned in the enforcement regulations of the Regional Public Health Act |
| 2000 | Dietitians are classified as health and medical professionals according to the Korean Standard Classification Of Occupations Dietitians are employed at mental hospitals and facilities for the homeless |
| 2002 | Dietitians employed at army hospitals, welfare facilities for the elderly and children |
| 2003 | A regulation that school shall have a nutritional education teacher who is dietitian trained in teaching stated in the School Meals Act and the Primary and Second Education Act. Clininical dietitians who work for hospitals can bill a medical nutrition therapy service fee officially to patients(who have diabetes, hypertension, hemodialysis, cardiac disease, cancer, intestinal fistula) according to the Ministry of Health and Welfare Notification Number 2003-30. |
| 2004 | Informations regarding nutrition courses and credits are posted under the teacher qualifying examination act. |
| 2005 | A regulation that nursery with 100 or more children must have a dietitian is indicated in the infant education Act |
| 2006 | Due to an amendment of the Justice Department and its affiliates, dietitians are arranged at correction houses |