1. A method for classifying pictures, comprising: obtaining, by a device comprising a processor, a picture to be classified; determining, by the device, a class of the picture according to feature information of the picture, wherein the class comprises a text picture class and a non-text picture class; and classifying, by the device, the picture according to the class of the picture; after classifying the picture according to the class of the picture, the method further comprising at least one of: adding the classified picture to a folder corresponding to the class of the picture and displaying the folder; and adding the classified picture to a folding picture set corresponding to the class of the picture and displaying the folding picture set.