Portable engineering cost toolbox

The utility model discloses a portable engineering cost toolbox, comprising a box body and a box cover, the inside slip box that is equipped with of box, the slip box back is equipped with T shape slide, be equipped with in the box and block the strip with T shape slide matched with T shape, slip box front end is equipped with inside case lid, inside case lid passes through the axostylus axostyle and connects at the slip bottom half, the box front end is equipped with the slide, the slide passes through U -shaped slide joint on the box, U -shaped slide bottom is equipped with the location strip, the box side is equipped with spacing prettyly, slip box bottom is equipped with spacing hole, when the toolbox need be put into to a large amount of instruments, can mark the box that slides come from the box through T shape slide, thereby it increases the quantity of utensil of can knocking off to increase the space of box, even when accomplishing that a large amount of instruments need be adorned to the small -sized tool case, also can hold a large amount of instruments.