A pressure sensor, comprising a flexible printed circuit board and multiple pressure sensitive adhesive resistors, wherein the multiple pressure sensitive adhesive resistors comprise a pressure sensitive adhesive resistor (R1), a pressure sensitive adhesive resistor (R2), a pressure sensitive adhesive resistor (R3), a pressure sensitive adhesive resistor (R4), a pressure sensitive adhesive resistor (R5), and a pressure sensitive adhesive resistor (R6); characterized by the flexible printed circuit board comprises a first surface and a second surface that are opposite each other; the pressure sensitive adhesive resistor (R1), the pressure sensitive adhesive resistor (R3), and the pressure sensitive adhesive resistor (R5) are disposed on the first surface, and the pressure sensitive adhesive resistor (R2), the pressure sensitive adhesive resistor (R4), and the pressure sensitive adhesive resistor (R6) are disposed on the second surface; the flexible printed circuit board is provided with a through hole that allows the first surface to communicate with the second surface, and the through hole is at least partially covered by the pressure sensitive adhesive resistor (R1), the pressure sensitive adhesive resistor (R2), the pressure sensitive adhesive resistor (R3), and the pressure sensitive adhesive resistor (R4); and the pressure sensitive adhesive resistor (R1), the pressure sensitive adhesive resistor (R2), the pressure sensitive adhesive resistor (R5), and the pressure sensitive adhesive resistor (R6) are electrically connected to form a first Wheatstone bridge, and the pressure sensitive adhesive resistor (R3), the pressure sensitive adhesive resistor (R4), the pressure sensitive adhesive resistor (R5), and the pressure sensitive adhesive resistor (R6) are electrically connected to form a second Wheatstone bridge. the flexible printed circuit board comprises a first surface and a second surface that are opposite each other; the pressure sensitive adhesive resistor (R1), the pressure sensitive adhesive resistor (R3), and the pressure sensitive adhesive resistor (R5) are disposed on the first surface, and the pressure sensitive adhesive resistor (R2), the pressure sensitive adhesive resistor (R4), and the pressure sensitive adhesive resistor (R6) are disposed on the second surface; the flexible printed circuit board is provided with a through hole that allows the first surface to communicate with the second surface, and the through hole is at least partially covered by the pressure sensitive adhesive resistor (R1), the pressure sensitive adhesive resistor (R2), the pressure sensitive adhesive resistor (R3), and the pressure sensitive adhesive resistor (R4); and the pressure sensitive adhesive resistor (R1), the pressure sensitive adhesive resistor (R2), the pressure sensitive adhesive resistor (R5), and the pressure sensitive adhesive resistor (R6) are electrically connected to form a first Wheatstone bridge, and the pressure sensitive adhesive resistor (R3), the pressure sensitive adhesive resistor (R4), the pressure sensitive adhesive resistor (R5), and the pressure sensitive adhesive resistor (R6) are electrically connected to form a second Wheatstone bridge. <EOS>