The New Issue of National Maritime Research (issue 28) was published in August, 2022. Totally, there are 11 articles published in the issue, including 10 original research articles and an academic review. Among the original research articles, there are four phased research results of the National Social Science Foundation project. Related research topics cover a wide range of topics, involving in sunken cultural relics, ship-building technology, shipwreck rescue, coastal defense and piracy, maritime trade, coastal changes, island development, marine archaeology and so on. The relevant researches are characterized by interdisciplinary integration. In terms of research methods, it integrates historical textual research, technical analysis, image interpretation, cultural relics and mutual evidence of historical documents, etc. Besides, there are many creative ideas in conclusions.