1. Log in to the instagram client, find the "Starlight" icon button in the bottom menu bar, and click to enter the page.

2. Enter the English names of the stars and users you want to query in the search box at the top, and then click the search key to search. After the search results come out, select the friends you want to pay attention to and click to enter the next step.

3. On your friend's personal page, find the "Follow" button and click to enter the next step.

4. When the "Follow" button on the page turns into a green "Follow" button, it proves that you have successfully followed your friend.

5. Go back to your instagram homepage, and you can see that your friend's dynamics have been displayed on the homepage.