祝贺信是由于某种原因向收信人道贺的信件，一般包含三个部分：1． 点明要祝贺的事情，并向对方道贺；2． 详述祝贺的事情；3． 再次祝贺。祝贺信除了向对方道贺以外，还可表达祝福、期望等。语言应热情洋溢，满怀喜悦。
写作“三步走”：
说明事由并表达自己忠心的祝贺（首段）—>展开事件评论，赞扬收信人（主体段落）—>再次表达良好祝愿（结尾段）
注意：
在写作主要内容的时候，可以重点赞扬一下当事人的优秀能力和取得成就的原因，并展望他将来的美好发展前景等。
范文解析：
Directions: Write a letter to your best friend Li Ming, congratulating him on accepting admission to a postgraduate program. You should write about 100 words on ANSWER SHEET.
Do not sign your own name at the end of the letter. Use“Wang Hua”instead. Do not write the address.
Dear Li Ming,
I am writing to convey my warm congratulations on your admission to a postgraduate at Beijing University.
I must say that I was not surprised to hear this good news. I know that you have been desirous of furthering your study in a prestigious university and how industrious and perseverant you have always been in order to realize this dream. I am delighted that the four years of your hard work has finally been rewarded in this way. It is obvious that you will have a wide-open future ahead of you.
Congratulations again. I wish you all the best in your future life and study.
Sincerely,
Wang Hua
