The utility model provides a beam -column connection key suitable for standardized design, be not more than 240mm spliced pole (3) and 1~4 special -shaped H type steel corbel connecting on the splicedpole constitutes by the outline cross -section, but the spliced pole is the inside rectangle cast iron steel pipe that has concrete -filled's circular airtight cavity (3a), and special -shaped H typesteel corbel connects face or two faces or three face or four faces in four lateral surfaces of spliced pole, dysmorphism H type steel corbel is including symmetrical last lower flange (1) and weld rectangle web (2) between last lower flange, and the edge of a wing (1) afterbody narrows along the arc gradually, and the aequilate preceding segment length in the edge of a wing is 100~200mm, and special -shaped H type steel corbel's front end is connected with the spliced pole, and tail end and the H shaped steel roof beam that narrowed on the edge of a wing are connected. The utility model discloses can satisfy the biography power demand of beam -column connection key, simple structure, the power that passes are clear and definite, processing convenient and fast, irrigation concrete are easy.