The utility model discloses a bridge anti -seismic connecting device, include upper bracket steel sheet, undersetting steel sheet, set up in between the two antidetonation device and stop device, theantidetonation device includes from the last upper junction plate that connects gradually extremely down, central rubber column, lower connecting plate, center rubber column's the fixed elastic component that is provided with all around, the elastic component includes a plurality of layers of leaf spring, the horizontal section of elastic component outwards is the arcs of recesses just leaf spring's arc length increases from inside to outside gradually, stop device includes that the installation block group installs the block group under with, on install the block group and install under and connect through the shear connector between the block group. The beneficial effect of the utility model: the utility model discloses a structural design is equitable, both can satisfy the wen bianyu car impact load under the normal use situation, again can be when the macroseism shock attenuation and antidetonation, respond well, and can control the roof beam emergence that falls.