The Three Pillars of Chinese Catholicism (聖教三柱石, literally the "Holy Religion's Three Pillar-Stones") refer to three Chinese converts to Christianity, during the 16th and 17th century Jesuit China missions:
Their combined efforts helped lead Hangzhou and Shanghai to become centres of missionary activity in late Ming China.[1] These men shared an interest in Western science and mathematics, and it is probable that this was what first attracted them to the Jesuits responsible for their conversion.[2]