This study aims to explain the factors that influence Australia decision input gender aspect on development assistance toward Indonesia during 2014-2017. In this study, the researchers conducted research from various legitimate to support this research. The researcher methods did library studies and website searching, with using the theory Constructivism by Alexander Wendt and the Concept of Gender and Development. These research findings prove that the factors that influence Australia input gender aspect on development assistance are emerged by internal and external aspect. Based on the evidence collected that, internal factors that influence Australia decision on input gender aspect in its assistance is caused by Gender equality is part of the shared value that underlies foreign policy and development cooperation in Australia Meanwhile, for the external factors is because the condition of women in Indonesia still marginalized group and poor