The invention provides an adhesive dispensing device and method used for a backlight module, a display device and electric equipment. The adhesive dispensing device comprises a fixing unit, a positioning unit and an adhesive dispensing unit, wherein the fixing unit comprises a supporting frame and a fixing piece, and the fixing piece is used for fixing a to-be-dispensed sample to the supporting frame; the positioning unit comprises a positioning camera which is used for determining an adhesive dispensing path based on the position of a protective cover plate in the to-be-dispensed sample; the adhesive dispensing unit comprises an adhesive dispensing piece which is set to be capable of dispensing an adhesive along the adhesive dispensing path. According to the adhesive dispensing device, the adhesive dispensing path is determined based on the position of the protection cover plate, the accuracy of the adhesive dispensing path can be greatly improved, and the yield of products prepared by means of the adhesive device is ensured.