A video editing method applied to an electronic device is provided. The electronic device includes a processor and a human-machine interface, the processor is configured to execute a program to generate video data, and the human-machine interface is configured to receive an input signal. The video editing method includes: obtaining the video data; monitoring the input signal; setting an editing condition; and recording the video data to generate a video clip when the input signal meets the editing condition. A video editing system is further provided.