Cell capturing device and processing method thereof

The invention discloses a cell capturing device and a processing method thereof. The cell capturing device comprises a transparent substrate and a pyramid-shaped capturing structure. Identifiers and the pyramid-shaped capturing structures are finely processed on the transparent substrate, and the identifiers correspond to the pyramid-shaped capturing structures to assist cell localization observation. The pyramid-shaped capturing structure is composed of a nanowire pyramid and a hollow cylinder at the bottom, the nanowire pyramid is integrally of a tetrahedral structure, faces of the nanowire pyramid are hollowed out, only nanowires at the edges are reserved, and the cylindrical hollow structure is located below the nanowire pyramid to limit captured cells. The invention also provides a pyramid-shaped capturing structure and a fine processing method of the capturing device. Fine processing of the cell capturing device is realized by adopting a micro-nano processing technology, the cell capturing device is ver