Today,　women＇s　ready-to-wear　styling　design　techniques　rely　on　the　formal　aesthetic　sense　of　the　art　design　plane　composition　and　the　three-dimensional　composition　theory.　However,　there　is　no　visual　causal　deduction　between　the　case　of　styling　design　technique　and　theoretical　source.　From　the　perspective　of　the　formation　law　and　application　mode　of　styling　design　formal　aesthetic　sense,　this　paper　takes　a　set　of　lines　without　design　consciousness　as　an　example,　based　on　various　design　principles:　repetition,　balance,　symmetry,　etc.　and　transforms　them　into　styling　lines　or　the　styling　combination　with　special　design　purposes.　The　visual　logic　and　rules　of　styling　formal　aesthetic　sense　are　applied　to　the　case　of　women＇s　styling　design　which　is　the　transition　from　unconscious　to　conscious.　Through　the　comparison　of　the　advantages　and　disadvantages　of　the　women＇s　design　case,　the　rationality　and　operability　of　the　application　of　design　techniques　are　analyzed　which　could　promote　women＇s　clothing　styling　design　originality　and　beauty　while　enabling　designers　to　complete　the　project　in　a　relatively　stable　process.　©　TBIS　2023.　All　rights　reserved.