到延安后,杨至成病得很重。党中央决定挑选一些身体较差的领导干部到苏联疗养红军时期,杨至成在作战中几次负伤,身体受到很大损害。长征到延安后,虽然环境稳定了,但医疗条件仍然有限,再加上杨至成工作繁忙,得不到足够的休息,所以他的身体状况更加不好。高血压、肺结核、癫痫时 After Yan’an, Yang Zhicheng was very sick. During the period when the party Central Committee decided to select some under-qualified leading cadres to the Soviet Union to treat the Red Army, Yang Zhicheng was severely wounded and physically wounded several times in combat. After the long march to Yanan, although the environment was stable, the medical conditions were still limited. Coupled with his busy schedule and lack of adequate rest, he was in a worse state of health. High blood pressure, tuberculosis, epilepsy