The design of instructional goal is the key of the instructional design.Once being confirmed,the instructional goal is the basis for choosing teaching strategies,organizing learning activity and implying evaluation.Under the direction of the theory of instructional design,and combining with phenomenon in practice,this paper analyzes three problems:how to understand the three-dimensional goal,what is the basis for the design of instructional goal, and how to design the instructional goal to play a better guiding role in the teaching process