Three to six days. According to the information of official website, an educational institution in Tuhua, Tuhua's teacher training classes are divided into different shifts, all of which last for 3 or 6 days. If you don't check in, it will be 6 hours a day, if you check in, it will be 9 hours a day (there will be classes in the evening), and the training time will be 3 to 6 days. Tuhua Education Group was established on 200 1. Over the years, Tuhua education has been adhering to the mission of "promoting social progress through education", focusing on vocational education, and its main business covers civil servants, institutions, teachers, finance, medical care, and demobilized military cadres.