Chin-sheng Yang studied at Medhurst College in Shanghai, China in 1915. Then he attended the Government College of Commerce in Tokyo, Japan in 1915-1918. After that he went to America in 1919 and studied at Oberlin College in Ohio, receiving Bachelor of Arts degree in 1923. He did research work at an eastern university in U.S.A. for one year.
In 1925 Chin-sheng Yang started to teach at Utopia University in Shanghai and the China National Institute, Woosung as professor at Tsingtao University. He was chief of the Foreign Affairs Department, Tsinrrtao Municipal Government and later director of the Department. Upon abolition of the Department, he was appointed Secretary to the Tsingtao Municipal Government which position he held until March 1930, when he was appointed acting as Commissioner of Social Affairs Bureau and was substantiated in that post in February 1931.