To provide synthetic resin shoes that can bond the sole of a shoe made of a synthetic rubber to the body of the shoe being formed in one piece by a soft synthetic resin containing a large amount of a plasticiser, and is easily manufactured, and a manufacturing method therefor.

In synthetic resin shoes 10 where a sole 12 of the shoe made of a synthetic rubber is bonded to the body 11 of the shoe being formed in one piece by a soft synthetic resin containing a large amount of a plasticiser, a resin layer 13 for preventing the diffusion migration of the plasticiser is provided between the body 11 and sole 12 of the shoe for bonding. The resin layer 13 can prevent the diffusion of the plasticiser and the swelling of the sole 12 of the shoe, thus preventing peel-off and deformation.