Recently, to let the learners acquire the skill of skilled labor exactly in an early stage has been one of the settlements of the 2007 problem. In traditional ways of skill training, generally novices learned skills from demonstrations by skilled labor and operation manuals, but the problem is that sensing and foreseeing abilities of skilled labor were seldom written clearly. Therefore, this paper focuses on making potential knowledge of skilled labor clearly into operation manuals, in order to improve transfer of working skill acquisition method for the novices in a short term.