Hao-hsiang Chu studied at the middle school of College l'Aurore of Zikawei, Shanghai, China from 1904 till 1907 and was graduated at the head of his class. He also studied law and political science at the University of Louvain, Belgium frpm 1908 till 1914 and received the degrees of Bachelor of Arts, Master of Arts and Doctor of Political Science and Diplomacy.
Mr. Chu returned to China in 1915 and was appointed attache of the Bureau of Councillors in the Waichiaopu (Ministry of Foreign Affairs), attache in the commercial department in 1916, secretary of the Waichiaopu from 1917 till 1924, professor of law in the Government University of Peking, China from 1916 till 1920.
He also served on the German and Austrian Peace treaties commission and on the commission to study the League of Nations Covenant in 1919, commission to study the Versailles Treaty in 1920, commission to study the retrocession of consular jurisdiction in 1920, Russian affairs commission in 1920, commission to study the revision of commercial treaties in1921.
In 1921 Hao-hsiang Chu was appointed acting councillor of the Waichiaopu and in 1923 councillor on Sino-Russian negotiations. In 1924 he received the rank of Chien Jen and in 1924 he appointed full councillor of the Waichiaopu.
He became a member of the commission on SinoRussian treaty negotiations in 1924, served at the Customs Conference in 1925. In 1924 Mr. Chu was given the rank of Minister Plenipotentiary. He was also a director of the political department of the Waichiaopu from 1927 till 1928, acting Minister of Foreign Affairs in 1928, councillor to Gen. Yen Hsi-shan and diplomatic councillor in Gen Yen's Headquarters of the Commander-in-Chief of the Garrison Forces in Peiping, China and Tientsin, China in 1928, director of Foreign Affairs in the Northern Coalition Government in 1930, Councillor to the Chinese Assessor's Office, the Commission of Inquiry of the League of Nations in 1932, Counsellor to the Ministry of Foreign Affairs in 1932 and concurrently acting Director of the Department of International Affairs of the same Ministry in June, 1932, Director of the Department of International Affairs of the same Ministry from 1932 till 1935 and Chinese Minister to Belgium since May, 1935.