1. There are many kinds of courses in Yuantuo Education, including courses in many fields, such as language, mathematics, programming and music, and the charging standards for each course are different. Students need to pay the corresponding tuition fees before the course starts, and get the corresponding certificates or credits after the course ends.

2. Some courses are charged by the hour, that is, the corresponding fees are charged according to the length of students' study time. This method is suitable for longer courses or degree courses, and requires students to complete the prescribed learning tasks and exams within a certain period of time.