<;P>;PROBLEM TO BE SOLVED: To provide a high-purity lumbrokinase-containing protein having high safety. <;P>;SOLUTION: The lumbrokinase-containing protein is obtained in high purity by using an automatic chromatography apparatus. A medicine and a functional food free from adverse effect and having high safety are each obtained by including the high-purity lumbrokinase-containing protein. <;P>;COPYRIGHT: (C)2007,JPO&INPIT