Fixing chest strap for chest drainage

The utility model discloses a chest drainage fixing chest strap which comprises a chest strap body, connecting straps are arranged at two ends of the chest strap body, fixing hasps are arranged on the connecting straps, elastic straps are symmetrically arranged at the left end and the right end of the chest strap body, thoracic air cushions are connected to the lower ends of the elastic straps, and pressing inflation balls are connected to the side ends of the thoracic air cushions through inflation pipelines. The lower end of the thoracic air cushion is connected with a hook-and-loop fastener sub-face, a hook-and-loop fastener main face is arranged at the position, corresponding to the hook-and-loop fastener sub-face, of the pectoral girdle body, a drainage tube fixator is arranged in the middle of the pectoral girdle body, a thoracic cavity drainage tube of a patient can be properly fixed through the drainage tube fixator, the pectoral girdle body is bound to the periphery of the chest of the patient, and p