Please register firstly at http://icrc2011.ihep.ac.cn/registration.htm and then login the indico webpage to submit your abstracts. Please note that:

1. One of options of "Presentation type" should be selected as "oral" or "poster". If "not specified", it will be regarded as poster.
2. One and only one of options of "Track classification" should be selected.
3. In "Comments", please fill in "Keywords: ...".
4. As the primary author, one can only submit at most one oral report and one poster report.