According to the viewpoint on motivation in Self-Determination Theory(SDT)and the basic needs of realizing the autonomy,competence(ability)and relation-ship of individual motivation,this paper puts forward three strategies for the motivation design of functional games,namely,diversifying the presentation of learning resources,creating appropriate"challenges"and integrating"rela-tionships"into the story background.Based on this,the corresponding functional games are designed and the qua-si-experimental research is carried out.