In September, 1927, he entered the Fulongzhi Military Academy for further study. Zuo Quan studies hard and is good at thinking. "Therefore, in military and political examinations, he can often ask for quotations and explain his gist."
1930 In June, Zuo Quan returned to Shanghai, and in September, he entered the Soviet area in western Fujian via Xiamen and Longyan. The first branch of Ren Hongjun Military Academy was newly appointed director of education. He was elected as the Standing Committee of Workers and Peasants Revolutionary Committee in western Fujian in May 5438+065438+ 10, and became the commander of Hong Xin 12 Army in early February. 193 1 At the beginning of the year, Ren Hongjun General Command became the operational staff, and in June, he was promoted to the position of chief of staff, and began to show strong organizational skills. In February 65438, he was sent to Gucunwei near Ningdu by the Central Military Commission to coordinate with Wang Jiaxiang and Liu Bojian to direct the uprising of the 26th Route Army of the Kuomintang. Later, he served as political commissar of the Red Fifth Army 15 Army (adapted from Ningdu Uprising Force) and soon served as commander and political commissar. 1June, 932, persecuted by Wang Ming's left-leaning route, Zuo Quan was relieved of his position as commander and political commissar and transferred to the Red Army School as an instructor. 193365438+February, Chief of Staff of Ren Hongjun. At this time, the fifth anti-"encirclement and suppression" war in the Central Soviet Area has begun, and the fighting is frequent and extremely difficult. Even if he didn't sleep for several days and nights, he never "showed burnout, negligence, laissez-faire and irritability".