today’s target keywords flow, a high degree of concern, leading to the majority of people are doing the target keywords; but in fact, they don’t know the target keywords value has been reduced; with today’s massive target keyword bidding; the target keywords has been very difficult to do, the competitiveness was too intense, because the number of users comparison website, making the conversion rate has decreased. While most people would not know how to do long tail keywords or simply is not to pay attention to the optimization of the long tail keywords; in fact, some long tail keywords is key to the success of people know how to use the. Of course, you might ask: why we need to do long tail keywords? What? It has what characteristic is worth us to put the keywords used to do conventional energy transfer in the past to do it? It is very simple: less competition, strong demand for accurate, high conversion rate, but also can bring huge traffic, forming a virtuous cycle.