Zebra fish drug delivery device

The utility model provides a zebra fish dosing device which comprises a shell, at least three sets of culture hole cylinders are arranged in the shell, the number of each set of culture hole cylinders is at least three, a liquid inlet is formed in the lower portion of each culture hole cylinder, and a liquid outlet is formed in the upper portion of each culture hole cylinder. Between two adjacent culture hole cylinders in the same group of culture hole cylinders, the liquid outlet of the previous culture hole cylinder is communicated with the liquid inlet of the next culture hole cylinder through a pipeline, and the culture hole cylinders in different groups are not communicated with one another; the shell is further provided with liquid inlet pipes and liquid outlet pipes, the number of the liquid inlet pipes and the number of the liquid outlet pipes are the same as that of the culture hole cylinders, each liquid inlet pipe is communicated with the liquid inlet of the first culture hole cylinder of each grou