Satisfy the publisher's sense of accomplishment: If your content is well received by others, it proves that others are at least paying attention to yourself, or your content is recognized by others, which is a sense of accomplishment. Consolidate friendship: Your friends share their happy events in the circle of friends, and good friends like them to express their happiness. Joy needs to be shared with * * *, and friendship needs to be praised by * * *. Publicity function of merchants: If the goods of merchants get more favorable comments in the same crowd, it proves that this group will pay more attention to the products of merchants when choosing such goods, which is a kind of marketing.

1. Satisfy the publisher's sense of accomplishment: If the content you send is well received by others, it proves that others are at least paying attention to yourself, or your content is recognized by others, which is a sense of accomplishment.

2. Consolidate friendship: Your friends share their happy events in the circle of friends. Good friends like them to express their happiness. Joy needs to be shared with * * *, and friendship needs to be praised by * * *.

3. Promotion function of merchants: If the products of merchants get more praise from the same group of people, it proves that this group will pay more attention to the products of merchants when choosing such products, which is a kind of marketing.

4. Workplace needs: When leaders or colleagues send friends, they politely praise each other to enhance their feelings and remind each other of their concerns with praise.