寫法：祝賀信的主要內容：祝賀事由；祝賀語及正文；結束語。
祝賀信如同壹般的簡短書信，可長可短，格式上無特別的要求，但書寫時應做到真誠、自然、親切動人。內容上可盡情發揮。主要是以祝賀事由開頭，隨後寫正文祝賀語發表自己的看法並用熱情的語言向對方表示鼓勵、贊揚、祝福。有時，也可以有所發揮，談壹些相關的看法和建議。如在祝賀成績的賀信中，可以分析壹下對方所取得成績的主客觀原因，最後用結束語結束。
Dear Jane,
I am writing this letter to express my sincerest congratulations on what you have achieved.
During the past years, you have kept working hard and devoted yourself into your major study. Now I am delighted that now your efforts are rewarded in this way. God helps those who help themselves. It is obvious that you will have a promising development in the coming years.
Once again, congratulations on your success and I am really very proud of you. I hope that you will make greater achievements in your future life.
Sincerely yours,
Li Ming
譯文：
親愛的簡：
謹以此信來致以本人由衷的祝賀，恭喜您收獲成功。
在過去的日子，您努力工作，專註於自己的專業領域。我很欣慰，您所付出的努力以這種方式得到回報，真是皇天不負苦心人。顯而易見，您的未來必定前程似錦。
再壹次表達祝賀，我以您為傲。我希望妳在未來的生活能步步高升。
擴展資料：
祝賀信常用語句：
1、Please accept my sincere/hearty/warm congratulations on...
請接受我誠摯/衷心/熱烈的祝賀。
2、This is a special and happy moment for you and I am very proud of your achievement.
這對妳來說是壹個特別而快樂的時刻，我為妳的成就感到驕傲。
3、We wish to share your honor and joy。
我們願與您分享榮譽和喜悅。
4、Wish you good luck!
祝妳好運！