Abstract: The present application relates to the technical field of thermodetector, and discloses a high stability Bluetooth temperature measuring probe, including a needle tube having a hollow mounting chamber, a handle configured to abut against a tail end of the needle tube, a first thermal sensor positioned in the mounting chamber of the needle tube close to the head end, an antenna mounted inside the needle tube and electrically connected to the first thermal sensor, and a locking assembly configured for connecting the handle to the needle tube. The locking assembly includes a locking member, a locking nut and a limiting nut, in which the limiting nut is connected to the antenna and is configured to limit the locking member; and an inner wall of the needle tube is defined with a locking slot.