How to check the source of the expression pack?

To find the source of the expression package, you can try the following methods:

1. Use a search engine: enter the keywords of emoji into a search engine, such as Google and Baidu, and then check whether there is relevant source information in the search results.

2. Social media platform: When you see an emoticon package on social media, you can try to search for related tags or descriptions on the platform to see if you can find the source of the emoticon package.

3. Emblem pack websites: There are some websites that provide download and sharing of emoticons, such as GIPHY, Emblem Pack House and so on. You can search for related keywords on these websites, find the desired expression pack and view its source information.