[1] In March 1923, Chen and others left France for the Soviet Union to study at the Oriental Communist University in Moscow.

[1] Chen returned to China in the winter of 1924 and was appointed director of the Organization Department of the CCP Beijing Municipal Committee.

[2] From April 27 to May 11, 1927, the 5th National Congress of the Chinese Communist Party was held in Wuhan, he attended the meeting and was elected a member of the Central Committee.

[2] On 16 February 1928, the CCP Jiangsu Provincial Committee held a secret meeting at the North Chengdu Road in the British Concession.

[2] As the traitor Tang Ruilin (唐瑞林) betrayed, the Kuomintang police suddenly encircled the meeting site, and Chen and the leading comrades of the CCP Jiangsu Provincial Committee were arrested.