Lei Feng's brother, how did he die?

Lei Feng's brother Lei Zhende died of overwork and tuberculosis. Lei Feng's brother 12 left home to work as a child laborer in a factory in Tianjin. Due to hard work and malnutrition, he contracted tuberculosis. At work, Lei Zhende accidentally fainted and his arms and fingers were crushed by the machine. After the injury, he didn't get proper treatment and was fired from the factory. After returning to his hometown, Lei Zhende tried to be a printer, but his tuberculosis got worse due to fatigue and illness, and he finally died of poverty and illness in 1946. Lei Feng (194018 February 65438-1962 August 15), formerly known as Lei Zhengxing, was born in Changsha, Hunan Province, and was a soldier of the China People's Liberation Army and a proletarian soldier. 1954 joined China. 1961may, lei feng was elected as the representative of the fourth people's congress of Fushun city, Liaoning province.