A control box for a pump comprising a pump body and a housing of the pump, which are arranged in the axial direction, the control box comprising: a box body and a box cover, the box cover being matched with the box body and being covered on the box body; and both the box body and the box cover comprising a first region and a second region, the first region of the box body being corresponding to the first region of the box cover, and the second region of the box body being corresponding to the second region of the box cover; the first regions are configured to be arranged on an end part, axially away from the pump body, of the housing of the pump, and the first regions being matched with the end part; the second regions being formed in a way that the second regions extend outwards in a radial direction of the housing, and an empty space being formed between the second regions and the pump body when the control box is arranged on the pump; and the first region of the box body being configured to be detachably mounted on the end part of the housing, the control box being characterised in that an outgoing line adapter module which is configured to detachably install a wiring plug in an axial direction of the housing is inserted into an aperture arranged on a side of the second region of the box body configured to face the pump body, such that the wiring plug is placed in the empty space, wherein the first region of the box body is configured to be connected to the end part of the housing by a plurality of bolts, wherein an escape structure corresponding to the bolts is respectively arranged on the box body and the box cover of the control box, wherein the second region extends outwards between adjacent escape structures in a radial direction of the housing, and a width of the second region is less than or equal to a distance between two adjacent bolts. a box body and a box cover, the box cover being matched with the box body and being covered on the box body; and both the box body and the box cover comprising a first region and a second region, the first region of the box body being corresponding to the first region of the box cover, and the second region of the box body being corresponding to the second region of the box cover; the first regions are configured to be arranged on an end part, axially away from the pump body, of the housing of the pump, and the first regions being matched with the end part; the second regions being formed in a way that the second regions extend outwards in a radial direction of the housing, and an empty space being formed between the second regions and the pump body when the control box is arranged on the pump; and the first region of the box body being configured to be detachably mounted on the end part of the housing, the control box being characterised in that an outgoing line adapter module which is configured to detachably install a wiring plug in an axial direction of the housing is inserted into an aperture arranged on a side of the second region of the box body configured to face the pump body, such that the wiring plug is placed in the empty space, wherein the first region of the box body is configured to be connected to the end part of the housing by a plurality of bolts, wherein an escape structure corresponding to the bolts is respectively arranged on the box body and the box cover of the control box, wherein the second region extends outwards between adjacent escape structures in a radial direction of the housing, and a width of the second region is less than or equal to a distance between two adjacent bolts.