The quantitative characteristics of papers, authors, time lag in Subtropical Plant Science from 2005 to 2009 were analyzed by the method of bibliometrology.The number of published papers was 463 in Subtropical Plant Science from 2005 to 2009, and the average number of each issue was 23.2, the average page of each article was 3.60.There were 277 papers subsidized by fund with the rate of 59.83% in total in these years.The papers published in Subtropical Plant Science from 2005 to 2009 consist of research reports, notes, reviews, and research reports account for the main part.The time lag of papers published in the journal was 20~400 d, and the average time was 170.6 d in recent five years.The analysis on the authors in the journal showed that the co-author rate maintained at high level (86.18 percent), but the quantity and quality of core authors'papers were what need improving.