Aim: The aim of the study is to describe the mandible of children with protein energy malnutrition. Methods: This study was conducted by rapid review using online databases such as Pubmed, ScienceDirect, and Google Scholar reffered to PRISMA diagram which was carried out within the month February to May 2021. The inclusion criteria for this study were articles in English published between 2010-2021, and discussing the effects of protein energy malnutrition to the growth of the mandible. Results: Five articles with cross sectional study design were screened in this study from a total of 97 articles identified. Mandibular size in individuals with protein energy malnutrition is smaller than in individuals with adequate nutrition. Conclusions: Mandible of children with protein energy malnutrition is smaller than mandible of children with normal nutrition status.