The official account of Jiangsu High Court released an article titled "Attention! Every emoji you send may become" evidence in court ". It was mentioned in the article that WeChat, as a common communication tool, has become everyone's daily life, skillfully using every emoticon, and also becoming a necessary skill for workers According to the website of judging documents, since 2018, there have been 158 cases with emoticons as evidence in China, including 8 cases in 2018, 23 cases in 2019, 66 cases in 2020, and 61 cases in 2021, with a significant increase In some cases of "pornography, gambling and drugs", criminals use emoticons to replace sensitive words to express metaphorical meanings in order to avoid investigation