The screen of Xiaomi mobile phone 10 is blurred and flickering, there are no application charts, and I cannot return to the desktop. What's going on?

The screen of Xiaomi mobile phone 10 is blurred and flickering, there is no application chart, and I cannot return to the desktop. What's going on? In this case, it may be a system problem. Upgrade the system to the latest version, or try restarting the machine. , can it be restored to normal? If not, restore the factory settings. This should restore normal operation.