Building element prestressed tendon connecting device

The invention relates to the technical field of building elements, and discloses a building element prestressed tendon connecting device which comprises a left frame, a right frame, a front frame, a rear frame and corner frames; the left frame, the front frame, the right frame and the rear frame are connected end to end to form a rectangular shape; the left frame and the right frame are symmetrically arranged; the front frame and the rear frame are symmetrically arranged; three or more sets of first hole grooves are formed in the top of the front end of the rear frame at equal intervals; and three or more sets of second hole grooves are formed in the bottom of the front end of the rear frame at equal intervals. According to the building element prestressed tendon connecting device, first vertical rods and second vertical rods are inserted into upper hole grooves and lower hole grooves correspondingly, so that the first vertical rods and the second vertical rods are located on the upper side and the lower side