Henan province is a large province of agricultural products processing. The development of agricultural products processing industry plays an important role in the economic development of henan province. Based on relevant data, this paper makes an empirical analysis of the influencing factors of agricultural products processing industry in henan province by using multiple linear regression models and factor analysis. The results show that the factors influencing agricultural products processing industry in henan province are industrial externality, market demand, urbanization level and transportation conditions. The factors that have no significant influence are technological innovation, opening to the outside world level and informatization level. Significant but negative factors include natural endowment and degree of government control.