Today, tablets are seen by many as the Achilles' heel of the smartphone as the screen grows larger and larger, a product launched to fill the gap between the smartphone and the traditional laptop will naturally be extremely compressed. The market reaction is also in the side of this statement, except apple has few manufacturers to follow the tablet business, but is it really true? In the opinion of the author, most of the people who throw out the theory of tablet chicken ribs or useless are thinking of first-tier and second-tier cities. For example, many people may not understand the real needs of urban and rural people if they do not put in a lot of efforts. Actually, the demand of economic tablet computers is not small objectively.