Juyin juya halin al'adu, a hukumance Babban Juyin juya halin al'adu na Proletarian, ya kasance motsi ne na zamantakewar siyasa a kasar Sin daga 1966 zuwa 1976. Mao Zedong, sannan Shugaban Jam'iyyar Kwaminis ta Sin, ya ƙaddamar da shi. Manufarta ita ce ta kiyaye Kwaminisanci na kasar Sin ta hanyar kawar da ragowar jari-hujja da abubuwan gargajiya daga al'ummar kasar Sin, da kuma sake sanya tunanin Mao Zedong (wanda aka sani a waje da China kawai a matsayin Maoism) a matsayin akidar da ke da rinjaye a cikin Jam'iyyar. Juyin juya halin ya nuna dawowar Mao zuwa matsayi na iko bayan gazawar Babban tsalle-tsalle.
Kasar Sin