塘沽協定
When the battle of Rehe broke out early in 1933, he was made head of the Northeast Anti-Japanese Volunteer 3rd Corps. Unable to stand idle against the Japanese following the Tanggu Truce Tang joined the Chahar People's Anti-Japanese Army in May 1933. He was later taken back by the Nationalist army and given command of a Regiment as part of Chiang Kai-shek's efforts to disperse the Anti Japanese Army and avoid war with the Japanese. After the outbreak of the Second Sino-Japanese War he was assigned to operate behind the Japanese lines as a guerilla commander. He was killed in action in Hebei on May 18, 1939.