1. Biomimetic synthesis and applications of intelligent nanotheranostics Biomimetic preparation of various nanomaterials, studying their synthesis mechanism, evaluating their biological properties and their bioapplications in disease diagnosis, cancer treatment, and tumor theranostics. 2. The design, construction and applications of tissue repair biomaterials Biomimetic preparation of highly ordered and nanostructured calcium phosphate to develop artificial bone and dental repair materials.