In order to provide a sound diet for nursery school children and also find measures for alleviating the burdens on guardians in charge of cooking meals, the authors surveyed the guardians' involvement in the diet of nursery school children. A questionnaire survey was conducted, targeting 1,653 guardians of nursery school toddlers attending 18 facilities in the Miyagi Prefecture. 985 guardians answered the questionnaire(collection rate: 59.6) , and 980 guardians were analyzed(effective collection rate: 59.3). The author first classified the nursery school children into the Junior Group and the Senior Group, and conducted an analysis, and then obtained the following results : 1) For both groups, more than 95 of the mothers were in charge of cooking the meals, but the ratio of fathers who cook meals was 19.3 for the Junior Group