The invention discloses an intelligent comprehensive power distribution box, comprising a bus system and a bus adaptor (41); the bus system comprises a bus bracket (61) and an A, B and C three-phase main busbar (62) supported by the bus bracket (61); a wire inlet switch (3) and a capacitor protection switch (5) are fuse isolation switches; A, B and C three-phase hook type conductive elements are arranged on the backs of the fuse isolation switches; the fuse isolation switches are hanged on the A, B and C three-phase main busbars (62) through the A, B and C three-phase hook type conductive elements; a wire outlet switch (4) is arranged between the wire inlet switch (3) and the capacitor protection switch (5) and is hanged on the A, B and C three-phase main busbar (62) through the bus adaptor (41); the space L between the wire inlet switch (3) and the wire outlet switch (4) is 0-10mm. According to the intelligent comprehensive power distribution box of the invention, the size of the comprehensive power distribution box is greatly reduced; the comprehensive power distribution box is miniaturized; the electric security is improved; the service life is prolonged; the manufacturing cost is reduced; and the comprehensive power distribution box has more competitive advantage in market.