The utility model discloses a visual oil taking change-over valve for oil-filled electrical equipment. The valve comprises a valve body, a valve core and a handle, the valve body is of a cylindrical structure with one closed end and the other open end. A cavity is formed in the middle of the valve body; a connecting thread is arranged on the inner side wall of the valve body; a through hole is formed in the middle of the closed end of the valve body; two annular grooves are formed in the inner side wall of the through hole; the valve core penetrates through the through hole; a handle is sleeved at the outer side end of the valve core, an end cover is arranged at the inner side end of the valve core, a spring is sleeved on the valve core between the end cover and the inner side wall of thevalve body, an inner hexagonal groove matched with a hexagonal plug on an oil taking connecting pipe of oil-filled electrical equipment is arranged outside the end cover, an oil taking channel is arranged inside the valve core, and an oil inlet and an oil outlet are arranged on the side wall. The transparent valve body material is arranged, the rotatable valve element is arranged in the valve body, the oil taking channel is formed in the valve element, the oil taking plug on the oil charging electrical equipment can be opened or closed through the valve element, and a good effect is achieved.