In Economics and Philosophy Manuscript in 1884 , Marx puts forward the dissimilation work theory , generalizes four basic regulations of dissimilation work, reveals the origination of dissimilation work and points out the way of perishing dissimilation work . Although Marx's theory on dissimilation work is not mature and perfect, it has theoretical importance to forming and developing Marxism and has deep enlightening function in examining and realizing human overall development on the condition of the new era.