The utility model provides a drainage device for cardiovascular medicine. The drainage device for the cardiovascular medicine comprises a fixing holder and a drainage bottle, and the drainage bottle is fixed to the fixing holder. The drainage bottle comprises a bottle body, a bottle cap, a drainage tube, an exhaust tube and a manual sucking pump. The bottle cap is buckled on the upper portion of the bottle body in a sealed mode, the bottle cap is provided with a liquid inlet connector and an air outlet connector, the drainage tube is communicated with the liquid inlet connector in the bottle cap, the exhaust tube is communicated with the air outlet connector in the bottle cap, and the other end of the exhaust tube is connected with the manual sucking pump. The fixing holder comprises a base, a supporting rod, a sleeve tube and a supporting plate. The supporting rod is connected with and fixed to the upper face of the base, and the outer wall of the supporting rod is provided with scale marks. The sleeve tube arranged on the supporting rod in a sleeving mode enables the supporting rod and the sleeve tube to be fixed together through fastening bolts on the sleeve tube, and the L-shaped supporting plate is fixed to the tube wall of the sleeve tube. The drainage device for the cardiovascular medicine is convenient to use, enables height location of the drainage bottle to be accurate, and is convenient to carry, easy and convenient to operate and use, smooth in drainage and high in safety.