©,　2015,　Huazhong　University　of　Science　and　Technology.　All　right　reserved.The　influence　of　interface　yielding/debonding　on　stress　redistribution　ahead　of　the　crack　tip　in　laminated　composites　is　performed　in　this　study.　By　method　of　the　superposition　principle,　a　continuous　distribution　of　sliding　dislocation　density　is　used　to　represent　the　interface　yielding/debonding.　This　procedure　reduces　the　problem　to　a　singular　integral　equation　which　can　be　solved　numerically　by　using　of　Chebyshev　polynomials.　The　distribution　of　dislocations　at　the　interface　is　numerically　obtained.　The　role　of　the　interface　debonding　which　redistributes　the　stress　ahead　of　the　crack　tip　in　the　neighboring　uncracked　layer　is　also　presented.　It　is　concluded　that　the　interface　debonding　or　yielding　weakens　the　stress　singularity　near　the　crack　tip　and　has　a　shielding　effect　on　the　crack　growth　in　anisotropic　composites.