The utility model discloses a but height -adjusting's overhead needle beam steel mould aims at providing a convenient to use's but height -adjusting's overhead needle beam steel mould. It includes the needle beam, and the template on the needle beam is installed through vaulting pole and hydro -cylinder to fixed mounting in the landing leg at needle beam both ends to and install in the hoist engine on needle beam upper portion, two rows of landing legs that set up along needle beam length direction are respectively installed at the both ends of needle beam, each the landing leg comprises upper segment and hypomere, and its upper segment and hypomere are connected as an organic wholely by lift cylinder, be provided with connecting rod group between the upper segment of two rows of adjacent landing legs. The utility model discloses need not with the help of filling up in turn needle beam stabilizer blade and template with regard to the adjustable template height, not only the height control is convenient quick, moreover the good reliability.