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 .