Marxist theory of life and health is a notable problem. Engels went into the masses of workers and confirm the authenticity of the Marxist theory of exploitation through exploring the workers' housing problems, health problems, he criticized the falsity of "bully pulpit socialism", and told people that only under the leadership of the proletariat political party, under the condition of mastering production materials, getting rid of the surplus value squeezing, can workers' public health conditions and their own health truly be improved.