We have been to change the world rather smug, whether we change the world or the world is to change our, "a brief history of human in the face of this problem are discussed in this paper:" actually, the primitive adaptation activity is climbing trees, chase chase gazelle, rather than bending over stones, hard water barrel. As a result, human's ridge, knees, neck and feet he must pay the price. After the mankind entered the era of agriculture emerged a large number of diseases, such as between the waist dish outstanding, arthritis and hernia. New agricultural activities need time, so that human beings were forced to permanent settlement beside the wheat field. Prevention fertilization seeding, insect repellent, weeding qing stone, the autumn harvest each molt... this changed the human way of life. Therefore we are not domesticated wheat, but domesticated wheat us."