Friend, please help me. How to put the weather forecast icon on the desktop?

Take Apple 5 as an example, the steps are as follows:

When the main screen of Apple series mobile phones slides to the left, an editor with a small circle box will appear:

There will be many small applications when you enter editing:

Find the weather, click Add, and it will be displayed on the desktop:

Similarly, if you want to delete it, just click the red minus sign in front of the weather to delete it.