A breaker operation mechanism with an opening/closing indication function comprises a button (1) and an indication member (2). The mechanism is characterized in that the button (1) is internally provided with a cavity (101), the indication member (2) is installed in the cavity (101) and can swing in the cavity (101), the button (1) is provided with an observation window (102), and different areascan be displayed in the observation window (102) in the swing process of the indication member (2). Opening and closing of a breaker are realized via one button; when the operation button is pressed,the breaker is closed, and the button is kept in the pressed state; and when the operation button is pulled out, the breaker is opened, and the button is kept in the pull-out state. The button includes two different states during closing and opening of the breaker, and the indication member indicates opening/closing states at the same time.