The utility model discloses a tap easy to assemble in tap field, including body and mesa, the top of body is provided with the water valve, the connecting block has been cup jointed in the outside activity of body bottom, the bottom activity of connecting block inner chamber is pegged graft and is had the base, the left side of base bottom is provided with cold water and connects, the right side of base bottom is provided with hot water and connects, pass through threaded connection through swivelling joint piece and base, it is fixed on the mesa with base and body, and the connecting block islocated the top of mesa, the installation and the dismantlement of repacking have been made things convenient for, the existence of pulley has reduced the frictional force between gag lever post andthe spacing groove, the matching of guide way and guide block, the connection of the water inlet and the sealing ring of body has been made things convenient for, and, the connecting block avoid the base to rotate when being connected with the base, the existence of antislip strip has made things convenient for the rotation of connecting block, the gasket of rubber is avoided contacting between connecting block and base and the mesa and is caused wearing and tearing, and messenger's connecting block and base connection is inseparabler.