Board connector and connector assembly

Disclosed is a board connector including a board connector body, conductive terminals of upper and lower rows inserted inside the board connector body and a docking housing wrapped outside the board connector body, wherein a front end of the board connector is used for docking with a cable connector, the docking housing including a top wall, a bottom wall and two side walls, a docking slot is provided between the top wall and a top surface of the board connector body, and the bottom wall is provided with a blocking element that protrudes downward. As compared with the prior art, interference may occur between a front end of a blocking element and a front end of a cable connector when the cable connector is reversely inserted, thereby preventing occurrence of a reverse inserting phenomenon.