Study Coastal Defense Jiajing Period

From the beginning of the Ming Dynasty, China has been a massive invasion ofJapanese pirates. Many provinces have been invaded, people living in misery. In thiscase, Ming begins planning the ocean defense, China’s ocean defense ideology emerged.In the period of emperor Jiajing that is coincided with the most serious of the Japanesepirates invasion. At that time some advanced intellectuals put forward many ideas onocean defense,became China’s first ocean defense ideology.The book named <Chou HaiTu Bian> is finished in this time, that is the best book on ocean defense ideology at thattime. From the <Chou Hai Tu Bian>, we learn the reasons for the invasion of Japanesepirates in the period of emperor Jiajing,and know that the ocean defense ideology in theemperor Jiajing period.History is the teacher, we can learn some ideas on navydevelopment and territorial disputes on some islands.