The invention belongs to the technical field of automatic vending devices, and relates to an automatic barreled water vending machine which comprises an equipment tank, an intelligent control circuit, leakage measuring systems, pressure measuring systems, matrix trays, a motor, water outlets, a product introduction display screen, a card swiping display screen, mass sensors, weighing discs, inflation barrels, inflation holes and air pressure sensors. Compared with the prior art, the automatic barreled water vending machine has the advantages that the automatic barreled water vending machine is easy to operate and flexible in use, and integral barreled water vending sales procedures can be completed by the aid of intelligent and scientific methods; the automatic barreled water vending machine has empty barrel mass detecting and product water leakage measuring and metering detection functions, current equipment information feedback and query can be provided for workers via communication and networks, and decisions can be made conveniently; a gap in automatic vending machines can be filled, accordingly, the automatic barreled water vending machine has huge potential application value during practical application, enormous social benefits and economic benefits can be brought by the automatic barreled water vending machine, and the nation and people can be benefited.