A vacuum cooking appliance is provided. The vacuum cooking appliance may include a housing in which a housing mount and a vacuum packing module mount may be located at adjacent positions, a first container configured to accommodate liquid inside an accommodation space therein and coupled to the container mount, a heater configured to heat the liquid accommodated inside the first container, a vacuum pressure generator installed at the vacuum packing module mount and configured to suction air inside a food packing container, and a vacuum packing module installed adjacent to the vacuum pressure generator and including a sealer configured to heat.