Shield segment connecting structure and connecting method

The invention relates to the technical field of shield segment connection, in particular to a shield segment connection structure and method. The shield segment connecting structure is used for connecting a first segment and a second segment, and comprises a first joint and a second joint, the first connector is provided with an insertion end and an exposed end, the insertion end is embedded into the first pipe piece, and the exposed end protrudes out of the end face of the first pipe piece; the second connector is provided with an embedding end and a connecting end, the second connector is integrally embedded into the second duct piece, the outer end face of the connecting end is flush with the end face of the second duct piece, the connecting end is provided with a shaping cavity, the shaping cavity is provided with a connecting hole, and the exposed end of the first connector can be inserted into the connecting hole. And the internal cross section of the shaping cavity is larger than the cross section of t