Using the surface-limited two-dimensional environment, research the molecular self-assembly structure stabilized by weak intermolecular interaction and the path of regulating organic chemical reactions, and based on this synthesis of monoatomic carbon-based materials, such as porous graphene, graphene Nano-stripe and graphyne, etc., using scanning tunneling microscope and synchrotron radiation spectroscopy technology to characterize the properties of materials, in order to achieve "bottom-up" preparation of surface synthetic organic nanostructures.