The invention discloses a boosting circuit. The boosting circuit comprises a first module, a second module and a third module, wherein the first module comprises a first input end and a first output end and is used for obtaining a boosting signal after a signal input from the first input end is boosted and then outputting the boosting signal from the first output end to a load; the second module comprises a second input end and a second output end and is used for responding to a first power signal to output a pulse signal from the output end, the first module is started to work, and then the boosting signal is obtained; the third module comprises a third input end, a fourth input end and a third output end, the fourth input end responds to the boosting signal so that the first power signalcan be transmitted to the third output end from the third input end, and the signal output from the third output end is input into the first input end; when the first output end is short-circuited, the boosting signal is reduced so that the first power signal cannot be input into the first input end. When the boosting circuit is short-circuited and abnormal, an external power source can be directly cut off to prevent the situation that the booting circuit still has large current and accordingly the temperature is too high, and the safety of a display device is improved.