Two-way air supply cutout cock capable of being separately controlled

The invention relates to a two-way air supply cutout cock capable of being separately controlled. The cutout cock comprises a valve body and a valve element arranged in the valve body, wherein the valve element can rotate in the valve body, and a trunk channel and two branch channels communicating with the trunk channel are arranged inside the valve body; the valve element is arranged in the trunkchannel, an element inner trunk channel communicating with the trunk channel and an exhaust channel communicating with the outside are arranged in the valve element, and the element inner trunk channel is provided with two element inner branch channels corresponding to the two branch channels in an extension mode; and the exhaust channel is provided with two branch exhaust channels correspondingto the two branch channels in an outward extension mode, and the valve element can be rotated to enable the branch channels to communicate with or disconnect with the element inner branch channels orthe branch exhaust channels