Mortise and tenon through connection structure for leg and face frame of blackwood furniture

The utility model relates to a leg connection structure of a piece of wood furniture, in particular to a mortise and tenon through connection structure for a leg and a face frame of a piece of blackwood furniture. The mortise and tenon through connection structure comprises two face frames and a leg, and is characterized in that the top end of a connecting end of the first face frame is of a bevel edge of 45 degree and is provided with two tenons, and a first square mortise is arranged between the two tenons; the top end of a connecting end of the second face frame is also of a bevel edge of 45 degree and is provided with two tenons, and a second square mortise is arranged between the two tenons; and a square connection part is arranged on the leg. According to the mortise and tenon through connection structure, the problems of high probability of shaking and instable structure after long-term use of the conventional single-tenon connection structure of the leg of the wood furniture are mainly solved, and the binding strength at the junction can be effectively enhanced.