摘要：Abstract Introduction: Childhood and adolescence is one of the most sensitive periods of life, and attention to the health of children and adolescents is very important in this period. this study was conducted to determine the prevalence rate of trauma types and its effective factors by systematic review. Methods: This study is a systematic review of published articles in April 2000 to March 2020.The search on trauma and its related factors in people under the age of 18 years old were carried out. We tried to identify all the factors affecting the trauma and design the key words of the paper based on them. Search and data extraction were based on the PRISMA checklist. All the extracted articles were imported into the EndNote X8 software and the studies that were extracted several times were deleted. Then, the data extraction and quality analysis of the articles was done by two researchers separately and the data was reported through a descriptive report and use of systematic review tables. Results: In the search of 1356 articles, the search was started and after re-examination, 566 articles continued to the next stage. Then 309 articles were excluded from the study and 89 articles entered the next steps. After reviewing the complete file of articles, 43 articles were removed and finally 20 articles were entered into the systematic review stage. In some articles it has been in the form of a clinical examination and in others in the form of self-report and parental questions.
