2. Because koi fish is called Feng Shui Fish, which means it can bring good luck, especially on the Internet, many young people will forward koi fish for good luck, so someone made an expression pack to touch koi fish, hoping to get good luck.

3. koi fish is an online buzzword and a cultural phenomenon. Koi fish is an advanced ornamental fish with rich ornamental value, which is deeply loved by people. Modern refers to everything related to good luck; Such as lucky people or things that can bring good luck. 2065438+On September 24th, 2008, Alipay official Weibo published a Weibo titled "I wish you a koi fish in China", which attracted more than 3 million reposts and made koi fish popular on the Internet.