An air curtain device for a dishwasher and a dishwasher including the same. The air curtain device includes an air curtain assembly and a fan. The air curtain assembly has an air inlet and an air outlet. An air path is formed in the air curtain assembly for guiding air flow or wind from the air inlet to the air outlet. The fan is configured to supply the wind into the air curtain assembly through the air inlet. The air curtain assembly includes a first shell and a second shell. A chamber is formed on the first shell and/or on the second shell. The air curtain assembly has an installation portion for installing the fan. The fan is detachably installed in the air curtain assembly via a bracket. The air curtain device is installed in the space between an upper wall of the inner container and an upper wall of a housing of the dishwasher.