Background: Disability-Adjusted Life Years of mental disorder predicted to be ranked first globally in 2030. Mental health disorders occur mostly in the young adult age group, which is a crucial period of psychological and biological change and can cause mental issues. However, this age group is among the least likely to seek help for such illnesses.

Objection: This research was conducted to find the associated factors of help-seeking behavior for mental issue on young adults.

Method: The method used in this study is a systematic review, to analyze and compare the related and relevant articles from some countries that published between 2009 – 2019.

Result : The results show that help-seeking behavior associated with several factors, both internal (literacy, knowledge, perception, stigma, financial ability, patience and trust) and external (stigma, social support, mental health service facilities).