Improved fully-soluble bridge plug

The invention provides an improved full-soluble bridge plug. The improved fully-soluble bridge plug comprises a hollow type guide shoe, a split type slip assembly, an open type slip guide groove, protection bowls, a rubber sleeve, a center pipe and a pull rod assembly. The hollow type guide shoe, the split type slip assembly, the open type slip guide groove and the center pipe are all installed on the pull rod assembly. The protection bowls and the rubber sleeve are installed between the open type slip guide groove and an expanding part of the right end of the central pipe, the rubber sleeve is installed between the two protection bowls, the protection bowls and the rubber sleeve are installed on a column section of the central pipe through respective central holes, and one end of a push cylinder is connected with the expanding part of the central pipe. The invention aims to reduce the length and the weight of a single-slip soluble bridge plug, improve the underground dissolution rate and ensure the unblocked