With continuous development of science and technology, micro-nano technology has become a hot field in the modern industry and one of the indicators to measure the country's cutting-edge scientific and technological level. Detection technology and micro-nano processing technology complement are both important guarantees for processing accuracy. In the era of intelligent manufacturing, optical detection has great development potential and application prospects. Optical Measurement Forum for Micro-Nano Structure will be based on the optical micro-nano inspection technology in the field of intelligent manufacturing, to provide a platform for experts and scholars in the field and industry professional attendees to communicate and learn.