PURPOSE: To confirm the insert margin of a pipe by visual observation after connection so as to prevent slip-out in a pipe joint easy to connect at a low cost and constituted in such a way as to seal between the outer surface of the pipe inserted in the spigot of a joint body and the inner surface of the spigot by an adhesive.

CONSTITUTION: In a pipe joint constituted in such a way that the outer surface of a pipe 3 inserted in the spigot 2 of a joint body 1 and the inner surface of spigot 2 are jointed to each other by an adhesive 4, insert margin confirmation holes 8 are formed at the peripheral wall part of the spigot 2 in the joint body 1, in positions spaced by the specified distance from the opening end of the spigot 2, and plugs 9 are provided to close the insert margin confirmation holes 8.