The utility model discloses a multifunctional board game toy, particularly relates to toy technical field, including suitcase body, first toy mechanism, second toy mechanism and third toy mechanism, suitcase body is composed of first box plate, second box plate, connecting recess and auxiliary support plate, the inside wall of first box plate and the inside wall of second box plate are provided with limit plate, and the inside wall of second box plate is provided with limit plate. Limiting connecting columns are arranged at the bottoms of the inner sides of the first box plate and the second box plate, and the suitcase body is detachably connected with a first toy mechanism, a second toy mechanism and a third toy mechanism through the limiting plates and the limiting connecting columns. The suitcase body and the first toy mechanism, the second toy mechanism and the third toy mechanism form different types of playing methods, the using playing method function of the device is increased, the singleness of a traditional board game toy is avoided, through the suitcase design and the buckling connecting and assembling method, the device can be rapidly disassembled and assembled in the using process, and the practicability of the device is improved. And the device is convenient to carry and store.