The aims of this paper are to investigate changes of writing instructionsmethods in smart education environment, and to argue how to implement& improve the results into middle and high school students. Forachieving this aims, this paper is trying to set up the definition of SmartEducation Environment. This paper divides education environments ofschools and classrooms into three types : Traditional, Computer based,and Smart. This paper proposes the principles of writing instruction asthe reinforcement of transcription skills, the realization of audience, theenrichment of idea generation, the reinforcement of rewriting. The conclusionof this paper is that the Smart education environment changemethods of writing instruction into the strategy based, the activity based,the conference based, affective factor based writing instruction.