On December 4th, the prosecutors preached the constitutional knowledge to students in the Chengguan Middle School of Zhuquan Town Jiahe County. On the same day, the county carried out the National Constitution Day theme activities of "learning and implementing the spirit of 19th National Congress and safeguarding the authority of the constitution". More than 20 staff from legal units went into the countryside, schools, communities and construction sites in groups to distribute the publicity materials and 19th National Congress report books to citizens, students and workers to publicize relevant legal knowledge and provide legal services at zero distance.