The utility model provides an integrated table and chair height and distance adjusting device which comprises a table base, a telescopic cylinder is installed at the top of the table base, a telescopic rod is installed in the telescopic cylinder, a table top base is hinged to the top of the telescopic rod through a connecting sleeve, and a table plate is fixedly installed at the top of the table top base. A hinge shaft is connected between the table bases, a connecting plate is hinged to the hinge shaft through a hinge seat, a seat sliding plate is fixedly welded to the side face of the connecting plate, a seat frame is connected to the seat sliding plate through a sliding assembly, and a seat plate is installed on the seat frame through a lifting adjusting mechanism. The height of the table and chair can be conveniently adjusted by the adjusting device, so that the requirements of users with different heights are met, the use comfort is ensured, and the damage to the cervical vertebrae of the users for a long time is effectively prevented.