Background and purpose: The chronic diseases caused by lifestyle are on the increase. This study aims to review the eating habits as etiological factors and related symptoms from the perspective of Korean medicine. In this process, we will make a proposal on the treatment of the lifestyle related diseases. Methods: We studied the sentences about the eating habits and related diseases in Donguibogam Results and Conclusions: 1. The eating habits as etiological factors are overeating, irregular eating, late-night foods, fatty & heavy foods, cold foods, alcohols, etc. 2. The diseases caused by the eating habits are not limited to the gastrointestinal diseases(stomachache, vomiting, diarrhea, etc) but include the non-gastrointestinal diseases(edema, arthralgia, anal diseases, eye diseases, ear diseases, diabetes, cancers, etc.) 3. In the treatment of the diseases caused by the eating habits, the special regard should be paid to the etiological factors.