1 First of all, we open the mobile qq, click our avatar in the upper left corner of qq, click to find the settings in the lower left corner of the page, and click Enter, as shown in the figure below:

2. After entering the mobile phone to set qq, we will see many settings. We find "space cleaning" in the middle, and click to enter, as shown in the figure:

3. After entering qq space cleaning, we will see that qq will automatically scan the percentage of available space. After scanning, we click "qq cache data cleaning", as shown:

4. After entering, we will see three options-clear message list-clear all chat records-clear cached data. Here I suggest clicking "Clear Cache Data", as shown in the following figure:

5. Click to clear the cached data, and qq will automatically clean it up, waiting for the cleaning to be completed. This qq cache is recommended to be cleaned on Monday. Cleaning the cached data will not affect the function and use of qq, nor will it lose important files, killing two birds with one stone.