An intelligence toy used with graph cards, comprising: a base, a building block base, a building block set, and at least one graph card. The building block base includes twenty five perforations, the building blocks consist of six different building blocks, each consisting of 3 to 5 block units, and the graph card includes at least one mark, the mark corresponds to the perforation of the building block base above and is visible through the perforation, and then the six building blocks are arranged in the twenty five perforations of the building block base corresponding to the marks, whereby a variety of games are displayed through the different marks displayed on the graph card, providing to young children aged 3-6 in order to understand and operate, and to achieve the effect of inspired intelligence.