Automatic microsphere preparation device and preparation method based on droplet microfluidics

The invention discloses an automatic microsphere preparation device and method based on liquid drop microfluidics. The automatic microsphere preparation device comprises a control unit, and a liquid drop preparation unit, a liquid drop solidification unit and a tail gas collection unit which are communicated in sequence, the control unit is in communication connection with the liquid drop preparation unit, the liquid drop solidification unit and the tail gas collection unit; the liquid drop curing unit comprises a curing container, a sample receiving bottle is arranged in the curing container, a heating structure is arranged in the circumferential direction of the sample receiving bottle, the sample receiving bottle is communicated with the liquid drop outlet end of the liquid drop preparation unit, a three-way valve is arranged on a communicating pipeline, a stirrer is arranged in the sample receiving bottle, and the stirrer is connected with the heating structure. The curing container is communicated with a