The creation of effective drug efficacy prediction and evaluation tools has become urgently necessary because the current cell or animal models for testing drug efficacy cannot accurately predict the response of human organs to drugs, some countries or regions forbid animal experiments, there are cost concerns, etc. Microfluidic technology is used in the application known as "Organ-on-a-Chip." On the microfluidic chip, a bionic system that can mimic the essential functions of human organs can be built using micromachining technology. Organs-on-a-chip may precisely manage a number of system parameters in addition to having the downsizing, integration, and low consumption features of microfluidic technology.

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