The conference will provide an international exchange platform in the field of ocean acoustics and hydro acoustics where researchers from academia and industry will discuss and share the latest research. Besides, the conference will create new opportunities for high-level international cooperation and promote cooperative research on recent issues in the frontier of Ocean Acoustics. By actively participating in the symposium, postgraduate students and young researchers will have the opportunity to express their ideas, new approaches and developments of technologies in the field. An exhibition will be set up in the venue hall by Chinese and foreign companies manufacturing state-of-the-art technologies, distributing equipment and providing services for underwater acoustic measurements and surveys.