BOX BODY ASSEMBLY AND HYDRAULIC MODULE

A box body assembly and a hydraulic module, the box body assembly comprising a panel (100) and a main body member (200). The main body member comprises a top plate (210), a bottom plate (230), and side plates (220) connected between the top plate (210) and the bottom plate (230); the panel (100) is connected to the main body member (200); the top plate (210) cooperates with the panel (100) to form a first water blocking structure; the top plate (210) cooperates with the side plates (220) to form a second water blocking structure; the side plates (220) cooperate with the panel (100) to form a third water blocking structure. The first water blocking structure comprises a first water blocking wall (300); the second water blocking structure comprises a second water blocking wall (400); the third water blocking structure comprises a third water blocking wall (500); part of the first water blocking wall (300) and part of the second water blocking wall (400) both extend upwards; the extending direction of part of th