Encircling type pier flexible protection device

The utility model discloses a surrounding type pier flexible protection device. Each group comprises two first protection structures which are correspondingly connected to two stand columns at the two ends of a bearing platform in a sleeving mode respectively. Each first protection structure comprises a first steel cavity shell, a composite flexible layer covering the first steel cavity shell, a lattice component and an energy consumption core material, wherein the first steel cavity shell is filled with the lattice component and the energy consumption core material. The first steel cavity shell comprises a first cavity and a second cavity extending downwards along the inner side edge of the bearing platform and the outer side edge of the end. Bolt holes are reserved in the first steel cavity shell; the second protection structures are correspondingly arranged on the stand columns in a sleeving mode respectively; each second protection structure comprises a second steel cavity shell, a composite flexible laye