Microstructure flexible pressure sensor and preparation method thereof

The invention discloses a microstructure flexible pressure sensor and a preparation method thereof, the flexible pressure sensor comprises more than two pressure sensing layers which are laminated, and each pressure sensing layer comprises a fiber cloth substrate and a nanometer conductive material deposited on the surface of the fiber cloth substrate; the preparation method comprises the following steps: preparing a nano conductive material dispersion liquid; immersing the fiber cloth substrate into the nano conductive material dispersion liquid, and depositing the nano conductive material on the surface of the fiber cloth substrate through an electro-deposition process; performing drying treatment on the fiber cloth substrate subjected to electro-deposition to prepare a pressure sensing layer; more than two pressure sensing layers are laminated and packaged, electrodes are led out, and the microstructure flexible pressure sensor is prepared. According to the micro-structure flexible pressure sensor provided