Children are the future of society, the next generation of humanity, so they also need age-appropriate protection, care and education. Children’s violation of criminal law is an unavoidable social phenomenon in most countries. The countries’ handling lines and criminal policies show humanity along with the general global trend, persons aged 14 to under 16 are not fully limited to criminal liability. This subject needs to be protected, but some provisions of the current criminal law still have many problems. Based on analyzing the provisions of the 2015 Penal Code (amended and supplemented in 2017), this article points out the shortcomings and recommendations to improve the criminal law of Vietnam