Abstract: An automatic dissolving device for dyes or the like according to the present invention comprises:(1) an electromagnetic valve situated midway in a pipeline from a medium or stock solution tank to a dissolving or mixing vessel,(2) a turntable with a number of holes around the circumference to accept a number of dissolving or mixing vessels,(3) an electronic type balance below the turntable to weigh the dissolving or mixing vessels and one or more magnet-type stirring devices arranged below the turntable so as to stir the solution in the dissolving or mixing vessel, and(4) a mathematical operation control device, so as to enable the solution of dyes or the like accurately and automatically and under a sufficiently stirred state without requiring much time and skill.