Sun Chuanting (Chinese: 孫傳庭; pinyin: Sūn Chuántíng; 1593–1643), courtesy name Boya, was born in Shanxi, late Ming Dynasty's Defence minister (Bingbu Shangshu), field Marshal (Dushi), led 500,000 Ming troops against Li Zicheng's 700,000 troops. He was defeated and killed by Li in the Battle of Tongguan (1643).Graduating as jinshi in 1619, he rose in 1635 to be Governor of Shaanxi, and by active measures stamped out the existing rebel movement.