Bow and arrow with hairline pointer

The utility model relates to the bow technical field, in particular to a bow with a sight. The utility model comprises a bow body, a bowstring arranged on the bow body and an arrow, the bow body is provided with an infrared sight, the infrared sight is provided with an elastic trigger switch which controls the on and off of the infrared sight, the trigger switch is protrudently visible on the surface of the bow body and is triggered under the self-weight action of the arrow or the pressing action of a hand of the user holding the bow body. The utility model adopts a simple structure to design a bow with the sight, which has high triggering accuracy and convenient use, thereby being capable of meeting the using requirements of the consumers. At the same time, the infrared sight in the utility model has simple operation, is started only during use, is automatically in a closed state under the non-use state to decrease the power consumption and improve the service life.