Chest wall pressurization system synchronous with air suction

The utility model provides an inspiration synchronization chest wall pressurization system which comprises a flow sensor, a control air pump and a pressurization inflation vest. The flow sensor is connected with a breathing machine pipeline. An air bag is arranged on the inner side of the chest opening part of the pressurized inflatable vest, and an inflation port and a deflation port are formed in the two sides of the air bag respectively; a control circuit board, a positive-pressure air pump and a negative-pressure air pump are arranged in a shell of the control air pump, the positive-pressure air pump and the negative-pressure air pump are connected with the inflation port and the deflation port through an inflation hose and a deflation hose respectively, the positive-pressure air pump and the negative-pressure air pump are used for being connected with the inflation hose, and a first electromagnetic valve and a second electromagnetic valve are arranged at the joint of the deflation hose respectively. The