The invention provides an automatic sorting machine of solid wastes. The sorting machine comprises a box body and a box body bracket, wherein a feed hopper is arranged on the upper end of the box body, a bag breaking machine, a magnetic separation machine, a breaking machine, a first vibration screen, an adhering machine, a vibration plate, a fan and a second vibration screen are sequentially arranged in the box body, an ash residue waste recovery box, a corrosive waste recovery box, a combustible waste recovery box, an ultra thin plastic waste recovery box, a building waste recovery box and a waste glass recovery box which are used for housing the separated wastes are arranged in the box body. The eight kinds of materials can be effectively and automatically sorted, the sorted materials can be used as the raw materials for comprehensive utilization of wastes, and the waste disposal amount is reduced to the maximum limit. The automatic sorting machine can be conveniently mounted and occupies small area, the energy consumption is low, and the automatic sorting machine is suitable for waste sorting treatment of small-size waste transfer stations and waste disposal plants.