He has obtained a formal student status in Shengyuan school for three years and is a fresh graduate. According to official website's information of Yan 'an Education Bureau, ordinary senior high school volunteers can be divided into three categories: special student volunteers, directional volunteers and unified recruitment volunteers. Among them, the targeted students need to have obtained a formal student status in Shengyuan school for three years and are fresh graduates before they can be admitted to the school. Directional students refer to a policy formulated to help remote areas, ethnic minority areas and industries with difficult working environment to train talents and ensure that they obtain a certain number of graduates.