Soluble bridge plug

The invention provides a soluble bridge plug, and relates to the field of bridge plug. The soluble plug comprises a bridge plug body and an auxiliary dissolution mechanism fixedly connected with the bridge plug body. The bridge plug body comprises a central pipe, and further comprises a guide ring, an upper clamping watt, a locking ring, an upper vertebral body, a tri-rubber-sleeve mechanism, a lower vertebral body, a lower clamping watt and a guide shoe, wherein the guide ring, the upper clamping watt, the locking ring, the upper vertebral body, the tri-rubber-sleeve mechanism, the lower vertebral body, the lower clamping watt and the guide shoe sleeve the central pipe in the sequence from left to right; the guide ring, the upper clamping watt, the locking ring, the upper vertebral body,the tri-rubber-sleeve mechanism, the lower vertebral body and the lower clamping watt are separately connected with the central pipe in a sliding mode; the guide shoe is fixedly connected with the endof the central pipe, one