A computer system includes a desk, and a first display and a first keyboard arranged on a desk panel of the desk and flexibly connected to the desk panel. The panel board includes at least two layers; an edge of a top layer of the panel board is flexibly connected to a second layer of the panel board; a lower surface of the top layer of the panel board is used as a second display and an upper surface of a second layer of the panel board is used as a second keyboard; and the first display, the first key board, the second display, and the second keyboard are all connected to the computer. The computer system of the present disclosure effectively protects eye sights, reduces the probability of shortsightedness, greatly increases the amount of exercise, consumes unnecessary energy, reduces the storage of energy and production of fat, further results in loss of weight, and at the same time strengthens physical exercise and improves health states.