Convenient for the user to operate the sewing machine, there’s a thinking of human-computer interface that it recommend the human is first. In order to adapt human’s thinking and behavior characteristic for the human-computer interface, on the basis of the three principles of the design of human-computer interface, the human-computer interface in sewing machine includes graphics sign, much window’s switching, and touch-screen. Practice shows the human-computer interface can reduce the load of memorial task, and be easy to operate.