The phenomenological methods of “going-back-to-things-themselves” and “essential intuition” enable people to deeply understand the nature of design. Design is the purpose of good and its visual expression. Design thinking is the teleology thinking that points to“human freedom”. Human freedom runs through every stage of design thinking. Design education should be based on the essence of design thinking, and cultivate students' free creation spirit from the perspective of design judgment, design expression and design creativity.