In Vietnam, the government has focus on protecting children's rights for many years, especially after the State signes the United Nation Convention on the Rights of the Child; however, wehter such rights existed during the French colonial rule in Vietnam is an issue that needs to be clarified. This paper is formulated on the premise that the protection of children's right was legislated in the Vietnamese law during the French occupation. In order to prove this position, this paper considers the laws enforced during the French colonial rule in Vietnam (1858-1945)