In 2013, Bangladesh Government repealed the Children Act, 1974 and enacted a new Act called The Children Act, 2013 with the aim of fulfilling the international obligation under the UN Convention on the Rights of the Child (UNCRC) as well as the decision of the Bangladesh Supreme Court named State v Md. Roushan Mondal 59 DLR (2007)72. Bangladesh is running in the path of being a middle income country is now considered globally as an example of incredible progress in issues like child mortality rate, gender disparity, child education and child healthcare in recent years. However, the standard of child protection regarding violence against children is deteriorating repeatedly in spite of adequate number of legal statutes. Throughout the paper, the authors are trying to discuss about several relevant laws regarding children, especially try to give an overview on international obligation of Bangladesh under the UN Convention on the Rights of the Child (UNCRC). Furthermore, authors are addressed issues like to protect the children from all forms of physical and mental violence, exploitative use of children in prostitution or other unlawful sexual practices, prevention of sale and trafficking and abduction of children.