The small-packag edible oil is a kind of oil with particular package distinguished with the edible oil in bulk. It has not only packing for transport，but also sales package comparing with edible oil in bulk. So the quality of products will be ensured. The basic principles of multiple linear regression model was studied, according to the related data of small-pack edible oil from 2000 to 2013, the prediction model of market growth rate was set up. The demand of small-pack edible oil in 2014~2019 was predicted by the model.