This study used constant market share model to analyze the influence factors of agricultural products export fluctuation in Hebei Province from both of overall aspect and classified aspect.The results showed that in 2008 and 2009，the improvement of agricultural product export competitiveness became the main factor of agricultural products export growth in Hebei Province，from 2010 to 2014，the import demand of world market on agricultural products became the main factor driving agricultural products export growth in Hebei Province，the change of export structure of agricultural products in Hebei Province was in line with the change of import demand structure of world agricultural products，but it played the limited role in promoting agricultural products export growth in Hebei Province.