This paper first study three stages flexible flow shop scheduling problems: with m_1 identical parallel machines in stage one, a batch processor in stage two, and m_2 identical parallel machines in stage three. 首次研究了3阶段柔性流水作业问题,其中阶段1由m1台同型机组成,阶段2为一台批处理机,而阶段3由m2台同型机组成。