Integrated height-adjustable washbasin device

The present invention relates to an integrated height-adjustable washbasin device comprising: a faucet unit located in the upper center of a washbasin to selectively supply cold water and hot water by adjusting the amount of use thereof by a user's operation; a height adjusting unit arranged in the lower portion of the washbasin and adjusting the height of the washbasin by raising or lowering the washbasin by receiving the cold water from the faucet unit by a user's operation; a height adjusting operation unit arranged on one side of the faucet unit, connected to each of the faucet unit and the height adjusting unit to adjust a supply amount and a direction of the cold water supplied from the faucet unit to the height adjusting unit according to a user's operation to control the height of the washbasin; and an operation blocking unit arranged in the faucet unit, installed at a supply position of the cold water supplied from the faucet unit to the height adjusting operation unit, and suppressing a height adjusting operation by blocking the cold water supplied to the height adjusting operation unit when the cold water is used in the faucet unit.