Finger joint plate

The utility model provides a finger joint plate which is formed by the fact that a first side finger joint bar, a middle finger joint bar and a second side finger joint bar are in sleeved connection through concave grooves and convex bars which are matched with each other. One concave groove is formed in one side face of the middle finger joint bar, one convex bar is arranged on the opposite side face of the middle finger joint bar, and the size of a groove opening of the groove is smaller than the size of a groove body of the groove. One concave groove is formed in one side face of the first side finger joint bar, and one convex bar is arranged on one side face of the second side finger joint bar. According to the finger joint plate, two adjacent finger joint bars are in tight fit by the way that the convex bars are inserted in the concave grooves from one ends of the concave groves, the groove openings of the concave grooves are small, the convex bars can not be disengaged from the concave grooves, an adhes