Abstract: Strengthening practical teaching and highlighting skill operation are effective ways to cultivate applied and skilled talents of social needs in higher vocational colleges. And they are also the key points of the current teaching reform in higher vocational colleges. Combined with the current situation of practice teaching of hydropower plant power equipment specialty, the reconstruction of the “overhaul post and dual-system teaching” practice teaching system are put forward. The methods and countermeasures of implementation of process, condition guarantee and assessment are studied.