A wireless light indication and control device connected with a helmet is provided. The wireless light indication and control device includes a direction detector, a wireless transmitter, and at least one light element, wherein the direction detector senses a movement of the helmet to generate a turning signal, the wireless transmitter receives the turning signal and cooperates with a frequency hopping unit and a matching unit to generate a wireless signal, and the light element includes a wireless receiver for receiving the wireless signal. As the user wears the helmet of the present invention, the light can generate warning effect based on the movement of the helmet, so as to provide the user a more comprehensive traffic safety.