Mini-automatic liquid sampler

The invention discloses a miniature automatic liquid sampler, which consists of a timing device, a miniature sampling pump, a sample division bottle, a sample distribution mechanism and a sample receiving disc. The timing device is connected with the miniature sampling pump; the outlet of the miniature sampling pump is connected with the inlet of the sample division bottle; the outlet of the sample division bottle is connected with the inlet of the sample distribution mechanism; and the outlet of the sample distribution mechanism is connected with the sample receiving disc. The invention can automatically and correctly collect the liquid samples at different moments in order, ensures little disturbance during washing and little sample waste, enables small-volume sampling and miniaturization, and can be widely applied to the research field.