To provide an entry board for small bore boring work with a lubricating layer excellent in adhesion to a base plate of the lubricating layer, hard to cause peeling and breakage of the lubricating layer and capable of providing favorable boring workability.

This entry board for small bore boring work with the lubricating layer is constituted by forming the lubricating layer 4 through an undercoating layer 3 containing a saponified polyvinyl alcohol at least on a single surface of the aluminum made base plate.