In terms of Hokkien Spanish Historical Document Series I，it is an integration of the historical material of Spanish-Southern Fujian dialect，in which most of the words outline the language and life situation used by Spaniards and Southern Fujian people （Tang people） at that time. At present，Hokkien Spanish Historical Document Series I，contains two manuscripts in the 17th century，which includes about 27000 entries of Southern Fujian dialect，and was completed between 1626 and 1642. As for the main contents，it introduces the conditions of politics，economy and trade in China and Southeast Asia，which also includes the construction of navigation instruments，trade goods and currency value，four seasons and folk festivals，family clan relations，marriage and funeral ceremony，the conduct of getting along with people in the world，money dispute and legal litigation，geographical location and naming，as well as the dispute over religious beliefs and etiquette between the East and the West，etc. As a result，it is the important history material for the study on the maritime economic and cultural exchange of Southern Fujian people in Southeast Asia in the late Ming Dynasty and the early Qing Dynasty，such as the nautical transportation，political diplomacy，trade，the history of overseas Chinese in Southeast Asia and so on.