The main research directions are: low pressure plasma physics and application; Atmospheric pressure non-equilibrium plasma physics and its application: the interaction between plasma and energy beam and matter; Surface modification of plasma materials and synthesis of new materials: functional films were prepared by plasma; Dust plasma physics; Space plasma physics; Plasma physics of controlled nuclear fusion: quantum informatics: quantum optics; Space-time and gravity theory; Cosmology; Statistical physics and phase transition; Complex network; Particle physics and nuclear physics; Interaction between atom, molecule and laser field; Molecular reaction dynamics; Molecular structure and molecular spectrum; Ultracold atomic gas; Bose-Einstein condensation; High temperature superconductivity; Near-field optical theory; Scanning probe microscope and its application: nano-micromanipulation technology: near-field enhanced Raman spectroscopy; Optical fiber sensing technology and its industrial application: infrared laser and laser spectroscopy; Polymer photonics; Microwave photonics; Optical fiber communication and all-optical signal processing; Fiber Bragg grating and fiber sensor; Laser medicine and biomedical optics; Photoelectric detection technology and its industrial application: semiconductor photoelectric functional materials and devices; Photovoltaic materials and solar cells; Integrated circuit design; Optical fiber active and passive devices; Cognitive neuroscience; Neuroinformatics and Bioinformatics; Data analysis and algorithm research of brain functional imaging: psychosomatic medicine, brain mechanism of neuropsychiatric diseases, prevention and treatment of traditional Chinese medicine.