This school is the Happy River Primary School in Qiantang District. It opened in September last year and belongs to the practical project of education and people's livelihood in Hangzhou. Since its establishment, the school has been committed to the research of happiness education, and established a happiness education research institute based on universities. In addition to effectively implementing the action of "keeping eyes open and controlling fat" in Qiantang District through "challenging the healthy door", Qiantang Juvenile Traffic Police School was also established, which was the first to introduce the "head teacher rank system" and became the pioneer in exploring the head teacher rank system in Zhejiang Province. Very suitable for learning.