An object of the present invention is to provide a guide shoe that can prevent a shortage of lubricating oil and supply the lubricating oil onto a sliding surface of the shoe in a favorable manner. To achieve the above object, the present invention provides a guide shoe that has a shoe surface for slidably guiding a running chain CH. A plate guide groove extending along a chain running direction D and guiding link plates L of the chain CH is provide in the shoe surface. An oil guide part having a pair of guide walls is provided in the bottom surface of the plate guide groove. The pair of guide walls are each formed such as to face a rear side in the chain running direction D and converge to each other toward a front side in the chain running direction D.