What does he look like?和 How does he look like?

今日帮表妹解答英语问题。 竟然给这两个句子卡住了- - 题目是： A: ___ ___ he look like? B: He's thin, tall and handsome. 答案貌似是What. 疑问点在于：B的response中的都是形容词，所以问句不是应该用How 么？ 如果用What，B的response不是应该类似He's like a soldier? 表妹说她老师给的笔记是： What does sb look like?=What's sb like? 那么How does he look like?这个句子有错不？如果没错应该怎么理解？ How's he like?又该怎么理解？ 越学越不懂了啊怎么......................