The utility model discloses a supporting device for manufacturing a 110 kV or more than 110kV cable terminal, which comprises two supporting frames. One supporting frame is high and the other one is low; upper ends of the two supporting frames are both provided with inclined supporting tables; the two supporting tables have consistent inclination angles; a hoop is arranged on each supporting table; and each supporting frame is composed of a top frame, supporting feet and a cross frame. Thus, firmness of the cable is enhanced, the operation process of an operator is handy, staff input is reduced, the operation time is shortened, safe and qualified standardized construction can be ensured, and processing accuracy of the cable is ensured.