The surname Yang Douyin has the following names:

1. Smile under the poplar tree: This name gives people a warm and sunny feeling, and is reminiscent of beautiful scenes and stories.

2. Yangliu Yiyi: This name has a classical charm, which reminds people of spring scenes and beautiful poems. It may also attract people who like traditional culture.

3. Yang Xiaoyang: This name is interesting and concise. It makes people feel that you have a kind heart and may attract people who like animals.