How are you?与How do you do?和How are you doing?的区别：
1、How are you?与How do you do?和How are you doing?都是问候语，不同的是相互问候的人之间的熟稔程度，以及答话方式。
2、How do you do? 你好吗？说话的两人初次相识，而且在是在比较正式的场合下。
答：How do you do.
3、How are you? 你好吗？说话的人相互认识。
答：I'm fine, thank you. And you?
4、How are you doing? 你最近怎样？说话的人不仅认识，还比较熟。回答的时候可以具体一点， 如：Not too bad, I just moved to a new place.
拓展资料
How are you?
1、How are you?
你身体好不？
2、Haven't seen you for a long time. How are you?
多日不见了，你好吗？
3、Well, how are you?
你好哇？
4、'How are you?' —'All the better for seeing you. '
“你好吗？”—“好，看见你更好了。”
5、Hiya. How are you?
嗨，你好吗？
How do you do?
1、Please put me out of my misery. How do you do it?
别让我着急了。你是怎样做的？
2、How do you like the film?; What do you think of the film?
这个电影你觉得如何？
3、How can you do your business if you just idle and do no decent work?
你成天游手好闲，不务正业，还能做好自己的本职工作？
4、How do you do this and still maintain a high level of data integrity and consistency?
您如何才能实现这些目的，同时仍然维持高水平的数据完整性和一致性呢？
How are you doing?
1、Hi! How are you doing?
嗨！你近来怎么样？
2、Hi, guys. How are you doing?
嗨，伙计们，大家还好吧？
3、You're so grown-up, how are you doing?
你都长这么大了，你好吗？
4、Then, ask: How are you doing?
然后问问：你怎么样了？