During July 14-16, 2015, The 7th Thailand-China joint workshop on ocean science and technology collaboration was held in Phang-nga, Thailand. More than 50 scientists from China and Thailand took part in. Focusing on (1) ocean, climate and cross-cutting, (2) ocean bio-diversity, ecosystem and bio-technology, and (3) ocean geology and geophysics, participants had hot discussion on the scientific results and future cooperation. Thirty speakers had presentation during the joint workshop.