1.第一次投稿Cover letter：主要任务是介绍文章主要创新以及声明没有一稿多投

Dear Editors:

We would like to submit the enclosed manuscript entitled “Paper Title”, which we wish to be considered for publication in “Journal Name”. No conflict of interest exits in the submission of this manuscript, and manuscript is approved by all authors for publication. I would like to declare on behalf of my co-authors that the work described was original research that has not been published previously, and not under consideration for publication elsewhere, in whole or in part. All the authors listed have approved the manuscript that is enclosed.

In this work, we evaluated ……(简要介绍一下论文的创新性). I hope this paper is suitable for “Journal Name”.

The following is a list of possible reviewers for your consideration:

1) Name A E-mail: ××××@××××

2) Name B E-mail: ××××@××××

We deeply appreciate your consideration of our manuscript, and we look forward to receiving comments from the reviewers. If you have any queries, please don’t hesitate to contact me at the address below.

Thank you and best regards.

Yours sincerely,

××××××

Corresponding author:

Name: ×××

E-mail: ××××@××××

二、催稿信：询问稿件处理到声明步骤

Dear Prof. ×××:

Sorry for disturbing you. I am not sure if it is the right time to contact you to inquire about the status of my submitted manuscript titled “Paper Title”. (ID: 文章稿号), although the status of “With Editor”has been lasting for more than two months, since submitted to journal three months ago. I am just wondering that my manuscript has been sent to reviewers or not?

I would be greatly appreciated if you could spend some of your time check the status for us. I am very pleased to hear from you on the reviewer’s comments.

Thank you very much for your consideration.

Best regards!

Yours sincerely,

××××××

Corresponding author:

Name: ×××

E-mail: ××××@××××

三、修改稿Cover letter

Dear Dr/ Prof..（写上负责你文章编辑的姓名，显得尊重，因为第一次的投稿不知道具体负责的编辑，只能用通用的Editors）:

On behalf of my co-authors, we thank you very much for giving us an opportunity to revise our manuscript, we appreciate editor and reviewers very much for their positive and constructive comments and suggestions on our manuscript entitled “Paper Title”. (ID: 文章稿号).

We have studied reviewer’s comments carefully and have made revision which marked in red in