The invention relates to a bulk beverage self-help vending machine, in particular to a device for vending bulk beverage and preserving beverage. The bulk beverage self-help vending machine comprises a machine body, a disposable beverage package case for storing bulk beverage, a storage refrigerator, a beverage classification indicating device and a beverage classification selecting device, further comprising a semiconductor refrigerating-heating system, a beverage extracting device, a steam sterilizing device, a cup falling machine, an automatic gate cup taking window, a fault information feedback system and a coin identifying and charging system; or, a card swiping machine is provided, and the beverage can be paid by using a bank card through the card swiping machine; or, a communication interface is provided, and a mobile phone can be connected with a telecommunications network through the communication interface in order to pay the beverage through the telecommunications network; and a display is further provided. The bulk beverage self-help vending machine has the following advantages: the paying functions are various; the beverage structures are rich; the management and maintenance operation are fast; the healthy and safety problems are ensured reliably; particularly, the cup falls off automatically, and the automatic gate is capable of being opened and closed automatically by using high temperature steam to wash; the power dissipation is low, and the public benefit property is strong; and the functions for using are various.