The invention relates to an operating valve for a double-pull rod type gearbox with a cutting function. The operating valve comprises a valve body which is integrated with a direction shift valve, a gear shift valve and a rapid cut-off valve and forms the operating valve for the gearbox; the direction shift valve capable of sliding in the valve body is inserted in the valve body, one end part of the direction shift valve is encapsulated in the valve body, and the other end part extends out of the valve body; on the inner side of the valve body, a first sealing bracket is arranged on the direction shift valve in a sleeving manner; a first sealing ring is arranged in an inner groove of the first sealing bracket in a sleeving manner and is in contact with the direction shift valve; a second sealing ring is arranged in an outer groove of the first sealing bracket in a sleeving manner and is in contact with the valve body; a first skeleton oil seal is arranged on the outer side of the first sealing bracket; a first retaining ring is arranged on the outer side of the first skeleton oil seal and is clamped on the valve body; the first sealing bracket, the first sealing ring, the second sealing ring, the first skeleton oil seal and the first retaining ring jointly realize a sealing structure of the direction shift valve. The operating valve provided by the invention has the characteristics of being convenient to manufacture, low in cost, compact in structure, wide in range of application, good in universality and the like.