The invention discloses an underground coal mine fully mechanized mining face end mining and rapid withdrawing method. The method comprises the steps of S1, arrangement of a fully mechanized mining face; S2, end mining protection; and S3, quick withdrawing of the fully mechanized mining face. According to the method, protective measures and fully mechanized face withdrawing operation during roadway withdrawing and fully mechanized face end mining are optimally designed, the tunneling and supporting cost of an auxiliary withdrawing channel is reduced, the sinking speed of a top plate of the withdrawing channel is remarkably reduced, the floor heaving amount of the roadway is remarkably reduced, the labor intensity is reduced, the withdrawing time is shortened, the safety performance is improved, and the auxiliary withdrawing channel can be reused for the second time, so that the environment-friendly emission of solid waste is realized, and the emission cost of the solid waste is reduced.