I think society needs more professionals, because professionals better adapt to social competition, everyone's time and energy is limited, the limited research in the field of energy to put a few of the generalist, will only to lay about, eight party to deal with, plus professional knowledge reserves is not enough, difficult to adapt to the speed of knowledge updating, but can't walk in the forefront of the industry. In contrast, threw herself into a specialist in the field of, because the solid professional knowledge and enough energy, can grasp the update of knowledge, improve self ability, so as to better adapt to the competition of the society.A target site is distracted the so-called generalist, to strengthen their professional knowledge, to adapt to the need of social development, will gradually lose in the social competition advantage. In contrast, in some areas have abundant professional knowledge and professional skills of professionals are not skilled, they can maximize their fine professionals to learn and grasp the initiative in demanding professional social competition.