Hollow porous silicon oxide-based drug carrier and preparation method thereof

The invention relates to the technical field of micro/nano drug carrier materials, and discloses a hollow porous silicon oxide-based drug carrier and a preparation method thereof, the hollow porous silicon oxide-based drug carrier comprises a silicon oxide spherical shell, a polymer layer, metal oxide particles and silicon oxide spheres; the silicon oxide spherical shell is of a hollow spherical shell structure, and the hollow spherical shell structure is of a hydrophobic structure; a plurality of diffusion holes are formed in the silicon oxide spherical shell and are hydrophilic pores; the silicon oxide ball is arranged in an inner cavity of the silicon oxide ball shell, the polymer layer wraps the surface of the silicon oxide ball, and the outer surface of the polymer layer is in contact with the inner surface of the silicon oxide ball shell; the metal oxide particles are randomly dispersed in the polymer layer and have the photothermal conversion performance under the short infrared light induction conditi