PROBLEM TO BE SOLVED: To provide a building board group having a high degree of freedom in designing a surface appearance formed by the surfaces of a plurality of building boards and having excellent design, a construction structure of the building board group, and a construction method of the building board group. SOLUTION: One of two building boards 2 has at least two regions 311, 312 on the surface of the building board 2 having different surface appearances from each other. At least one of the two regions 311, 312 includes the edge of the building board 2. On the surface of the other building board 2, which is the other of the two building boards 2, there is an same appearance area having the same surface appearance as the surface appearance of one area 311 of the building board 2. The same exterior area includes the edge of the other building board 2. On the other hand, the surface appearance of one area 311 of the building board 2 and the same appearance area of the other building board 2 are adjacent to each other in a state where the edge of the building board 2 and the edge of the other building board 2 are adjacent to each other. Adjacent to each other across the spot. [Selection diagram] Fig. 1
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