One of the objects of the present invention is to provide a three-axis micromachined gyroscope which improves the detection sensitivity for detecting angular velocity. Accordingly, the present invention provides a three-axis micromachined gyroscope, including: a base; a vibration part suspended by the base, including a vibration assembly for receiving Coriolis force and generating a position change; a drive electrode for driving the vibration part; a detection part connected with the vibration part for detecting position change of the weights after receiving Coriolis force, and converting the position change of the weight into an electrical signal for outputting; and a swing center of each weight being outside the corresponding weight. When the three-axis micromachined gyroscope receives an angular velocity, the swinging weight is subjected to Coriolis force and a corresponding position change occurs.