A　series　of　isotropically　consolidated　undrained　triaxial　compression　shear　tests　are　performed　on　two　kinds　of　reconstituted　clays　with　different　initial　water　contents　to　investigate　the　effect　of　the　initial　water　content　on　the　critical　states.　It　is　found　that　the　stress-strain　curves　and　the　effective　stress　paths　of　the　reconstituted　clays　are　significantly　affected　by　the　initial　water　content.　There　exists　the　critical　stress　ratio　for　a　given　clay　at　the　given　initial　water　content　which　is　not　dependent　on　the　confining　stress.　More　importantly,　within　the　theoretical　critical　state　framework,　the　critical　state　line　is　not　unique　for　the　given　reconstituted　clay　with　an　intrinsic　nature.　The　change　of　the　critical　state　lines　with　initial　water　content　is　discussed　in　p＇-q　plane　and　v-ln　p＇　plane,　respectively.　The　variation　of　the　critical　state　parameters　with　the　initial　water　content　is　analyzed.