'Photovoltaic (pv) of the world' this is a comprehensive system to introduce photovoltaic summary of past, present and future of the development of corpus, wide-ranging, photovoltaic solar heating way out of the power plant operation personnel can meet the needs of different readers. Focusing collectors weak current intelligent systems engineering plant operation personnel's way out in this paper, we not only including the editor Wolfgang & middot; Dr Parr, herself, in its new energy career of more than 50 years, the deep understanding of the development of photovoltaic (pv) and system summary, photovoltaic solar heating also includes global photovoltaic industry professionals engaged in new energy or a review of the photovoltaic difficult development,