As long as you enter special words on WeChat, there will be a full-screen special effect of "scattered flowers". The method is as follows.

Step 1: Open the chat page with friends, as shown in the figure below:

Step 2: Enter Miss You, and a star effect will appear, as shown:

Step 3: Enter Happy Birthday, and a cake special effect will appear, as shown in the figure:

Step 4: If you must spread flowers, you can choose the smiling face as shown in the figure through the expression pack:

Step 5: Select the expression pack related to spreading flowers here, as shown in the figure:

Step 6: In this way, the WeChat chat page will have the operation of scattering flowers, as shown in the figure below: