Disclosed are a method for providing a meal plan using a refrigerator, and a refrigerator using the same. The method for providing a meal plan using a refrigerator comprises: storing information on food materials stored in a refrigerator; receiving personal information related to a user's health status; updating pre-stored personal information based on the received personal information; generating a reference meal plan based on the stored food material information, such that a plurality of replaceable dishes are included in the reference meal plan; providing a priority of the personal information based on input personal information and a user's selection; generating a meal plan by correcting the reference meal plan, such that dishes cooked with ingredients beneficial to personal information having a high priority are included in the reference meal plan; and providing a meal plan for a special day or a predetermined time period according to a user's selection, wherein at least part of dishes included in the meal plan includes one or more replaceable dishes.