Investment promotion education belongs to education, training and related industries, and education belongs to the tertiary industry, namely service industry. According to the classification of national economic industries, the tertiary industry in China is divided into 15 categories, that is, there are 48 categories from F to T, and the education industry belongs to the "P education" category. China's tertiary industry can be divided into four levels: the circulation department, such as transportation; Departments that serve production and life, such as finance and insurance; Education, culture and other departments to improve the scientific and cultural level and quality of residents; State organs, political party organs, social organizations, police, army, etc.