The status of China's Scientific Papers Published in SCI journals Abroad and its Warning to the Development of Journals

China's outstanding scientific papers are increasingly published in journal abroad, and China's science and technology periodical quality fail to fully reflect the real level of the development of science and technology in China. Taking foreign agricultural SCI journals and domestic agricultural core journals published scientific papers as the research object, through quantitative analysis of database, the status of China 's excellent scientific papers published in SCI journals abroad and the causes were analyzed. Results showed that the outflow number and proportion of China 's excellent agronomic papers were rising in recent year, which was 930 and 17.54% respectively in 2012 that were 5 and 3.2 times of that in 2003 respectively. Based on the further analysis of the reasons, its adverse influences on domestic journals development needs to alert. The paper provide a reference for the development of domestic journals.