Shock-absorbing circulation air discharge shoe pad

The utility model discloses a damping and circulation air exhausting insole, which comprises an insole body, an air pump and an instep lining, and the air pump has a built-in spring which is positioned at the heel portion of the insole body; the heel portion of the insole body is provided with an indent for containing the air pump, the foot sole portion of the insole body is equipped with an air chamber, an exhaust airway runs through the arch portion from the air outlet of the air pump and is connected to the air chamber of the foot sole portion, the instep lining is affixed to the upper surface of the insole body, ventilation holes are arranged on the instep lining, the front end and the rear end of the air pump are respectively provided with a one-way exhaust valve, and the exhaust valves have the same exhaust direction, and through holes are opened at the back end of the heel portion of the insole body for containing the one-way exhaust valves. The air pump at the heel portion of the utility model can dam