Foldable saw horse

The utility model relates to the technical field of woodworking sawing auxiliary tools, in particular to a foldable sawing horse which comprises a support, a first connecting portion is fixedly connected to the lower surface of the support, a foldable supporting leg is connected to the first connecting portion, and the supporting leg can be folded towards the lower surface of the support. The first connecting part is of a U-shaped sheet structure, an opening of the first connecting part faces downwards, and two second connecting parts are arranged at the opening of the first connecting part and are arranged at the left end and the right end of the support in the length direction respectively; the second connecting part comprises two first connecting plates, the two first connecting plates are connected through the second connecting plate, the vertical section of the first connecting part is connected with the opposite first connecting plate through a connecting rod, one end of the connecting rod is fixedly co