The invention provides a machine for automatically pasting adhesive tape to refrigerator liner enclosure plates. The machine comprises a rectangular machine frame, a main machine frame, an enclosure plate pressing assembly, an adhesive tape pasting assembly and a conveying and positioning part sleeve and is characterized in that the main machine frame is fixedly installed on the rectangular machine frame, the conveying and positioning part sleeve is arranged on the back of the main machine frame, the enclosure plate pressing assembly is arranged under the main machine frame, a rack is arranged on the front face of the main machine frame and meshed with a gear of the adhesive tape pasting assembly, and the adhesive tape pasting assembly is composed of a discharging assembly, floating wheel assemblies, fixed wheel assemblies, a clamping assembly, a shearing assembly and swing wheel assemblies. Through the machine for automatically pasting the adhesive tape to the refrigerator liner enclosure plates, actions required for pasting part of the adhesive tape on the lateral sides of the refrigerator liner enclosure plates can be automatically completed, the machine for automatically pasting the adhesive tape to the refrigerator liner enclosure plates has the advantages of being accurate and reliable in positioning, accurate and stable in adhesive tape position, and firm and reliable in adhesive tape pasting, the adhesive tape is not prone to disengagement, the pasting face is complete, an existing technological mode for manually pasting the adhesive tape to the refrigerator liner enclosure plates can be replaced, and the production efficiency of pasting the adhesive tape to the liner enclosure plates is improved.