The invention provides a device and method for automatically conveying paper towel quantitatively, and the device comprises an information storage module which is used for storing the maximum quantity of paper; a Bluetooth module which is used for the Bluetooth pairing with a mobile terminal when the device detects a Bluetooth signal of the mobile terminal; a display module which is used for providing a paper taking input interface; and a judgment processing module which is used for judging whether to receive a paper taking indication signal successfully or not: conveying the corresponding quantity of paper towel according to the paper taking indication signal. The device can intelligently convey the paper towel according to the demands of a user, and guarantees that the paper towel remains clean in a conveying process.