To prevent the turnover of an OA equipment when an earthquake occurs.

This base-isolated stand for precision equipment such as OA equipment has a base 1 and a moving board 2 for placing an OA equipment, which is loaded on, the base 1, the base 1 has a hole with a large diameter 3 in the center thereof, and the center part of the moving board 2 is connected to a support plate 7 which is situated on the lower surface of the base 1 but can not pass the hole 3 by a bolt 12 through the hole 3 with axial elasticity. A plurality of dish-like recessed parts 16, 17 are annularly arranged around the bolt 13 on the opposed surfaces of the base 1 and the moving board 2 so as to be vertically opposed to each other, and a spherical body 20 is interposed between the recessed parts 16, 17.