The present invention provides a picking control apparatus of jet loom, comprising a weft yarn path changing apparatus equipped with an actuator with an encoder, which can control the action position The present invention provides a picking control apparatus of jet loom, comprising a weft yarn path changing apparatus equipped with an actuator with an encoder, which can control the action positionby driving the path changing body for changing the path of weft yarn; and a control portion for controlling the action position of the actuator. The control portion has the function of switching the cby driving the path changing body for changing the path of weft yarn; and a control portion for controlling the action position of the actuator. The control portion has the function of switching the control mode of the actuator between control execution mode and control non-execution mode. In the control execution mode, the position of the path changing body is changed in order to change the pathontrol mode of the actuator between control execution mode and control non-execution mode. In the control execution mode, the position of the path changing body is changed in order to change the pathof weft yarn, thus controlling the action position of the actuator, and the position information is obtained from the encoder. In the control non-execution mode, the position information is not obtainof weft yarn, thus controlling the action position of the actuator, and the position information is obtained from the encoder. In the control non-execution mode, the position information is not obtained from the encoder. The control portion has a switch operation portion for executing the switch of control mode between the control execution mode and control non-execution mode.ed from the encoder. The control portion has a switch operation portion for executing the switch of control mode between the control execution mode and control non-execution mode.