撤稿的理由一定要正当、合理且有说服力，千万不要因为稿件准备的十分草率或因为有明显疏漏而撤稿，以免给编辑留下不好的印象。例1：由于文稿内容有误而请求撤稿

Dear Editor，

I am very sorry to tell you that we have to withdraw our manuscript“***”（Ref.No.***），which was submitted on Feb.28，2010，because of a significant mistake existed in the statistics.After we revise the manuscript，we will resend it to you as soon as possible.

Thank you very much for your consideration.

Best wishes，

例2：由于要增改内容而请求撤稿(www.daowen.com)

Dear Editor，

The paper entitled“***”（Ref.No.***）was submitted to Journal of***on Feb.28，2010.However，we have found that some data need to be re-analyzed and we also think it would be better if we add***in this paper.So I am very sorry to tell you we wish to withdraw this manuscript.I deeply apologize to you and the reviewers for the hard work and precious time spent on this paper.

Thank you very much for your consideration.

Sincerely yours，