The utility model discloses a hydraulic pressure lift computer chair, which comprises a base, the top at the base is installed on the chassis, the top on chassis is provided with down the connector, the top of rotating electrical machines is provided with the installation base, the top of rotating electrical machines is provided with the rotation axis, the left and right sides of rotation axis isprovided with the fan blade, the left and right sides of installation base is provided with the mounting hole, rotating electrical machines and external power source electric connection, the fan has been installed to below at hydraulic pressure lift computer chair, like this in the time of the high temperature, the fan just can now be bloied by sit opposite pad constantly, make more nice and coolof cushion below, make people sit on it more comfortable, and the bamboo charcoal adsorbed layer has been installed in hydraulic pressure lift computer chair's top, the peculiar smell that produces just can absorption people at any time be sat for a long time to the bamboo charcoal adsorbed layer on the computer chair like this, hydraulic pressure lift computer chair's performance has been improved.