The invention discloses a cable terminal for a European-style branch box and a ring main unit. The cable terminal is connected with a cable sleeve which is fixed on a European-style branch box/ a ring main unit in an inserting mode, the cable sleeve comprises a base plate and a bolt arranged on the front of the base plate, the cable terminal comprises a T casing pipe, a cable wiring terminal and an insulation sealing head. The T casing pipe comprises a horizontal casing pipe part and a vertical casing pipe part, wherein the horizontal casing pipe part is communicated with the vertical casing pipe part, the base plate of the cable sleeve is connected with the left side of the horizontal casing pipe part in an inserting mode, the bolt is arranged inside the horizontal casing pipe part, the cable wiring terminal is inserted from a lower end mouth of the vertical casing pipe part and connected with the bolt in a sleeve mode, the insulation sealing head is connected with the right side of the horizontal casing pipe part in an inserting mode and connected with the front end of the bolt in a threaded mode. The cable terminal for the European-style branch box and the ring main unit is simple in structure and convenient to use, facilitates connection between the European-style branch box and the ring main unit and a bypass cable, reduces operation scope, and improves the line power supply reliability.