Overload means that when the impact of a certain load is completely adapted, it is necessary to increase the load in a timely and appropriate manner so as to exceed the original load, and the talent will continue to increase. This load beyond the original load is overload. Today's overload also means that other things, such as machinery, are subjected to a load that exceeds the original load. Overload also has a name overload. Just like a car with a load of 16 tons, the amount exceeding this value is overload, which is very simple and harmful to the vehicle.