Abstract: The influence of the knoeledegwe specificity of potential manager on the strategic manner for enterprise selecting the professional manager is analyzed. The analysis shows that if enterprise had a low specificity requirement to the potential manager, the enterprise would pay close attention to the ability, then would chioce the way hiring from outside, however, if enterprise had a high knowledge speciticity requirement to the manager, it would choice the way promoting from inside. Finally, the typical cases that successfully invite professional manager with results above are explained.