Yes Drainage bag is a kind of transparent plastic bag, which is specially used to hold drainage liquid. Drainage bag 1000 ml anti-reflux disposable catheter liquid storage urine bag, medical incontinence nursing bag, the length of which is 1. 1 m, usually after the operation, the bleeding and exudate in the patient's body are led out through the pipeline and then enter the drainage bag. Drainage bag is not only used to collect the hydrops and oozing blood from postoperative wounds, but also used to collect urine from patients with urinary incontinence, postoperative coma and dyskinesia.