Ground pressure monitoring device and method

The invention provides a ground pressure monitoring device and method, and relates to the field of mine surrounding rock monitoring. The ground pressure monitoring device comprises an anchor rod, a baffle assembly and a collection box, a sensor is installed in the middle of the anchor rod, and the collection box is connected with one end of the anchor rod and connected with the sensor through a lead; and the baffle assembly comprises a blocking piece, a blocking block and a baffle, the blocking piece is of a cylindrical structure arranged outside the anchor rod in a sleeving mode, one end of the blocking piece is provided with a threaded hole used for being matched with threads on the outer circumference of the anchor rod, the other end of the blocking piece is provided with at least one groove, the groove is filled with the wedge-shaped blocking block to form an annular blocking part, the blocking part is attached to the anchor rod centripetally, and the baffle is arranged on the outer ring of the blocking p