The present disclosure provides an automatic egg frying machine. The automatic egg frying machine includes a machine frame, where an egg placing device, an egg delivery device, a moving assembly, an egg opening device, a cooking device and a rotary receiving plate device are arranged in the machine frame. The cooking device at least includes a frying pan, the egg opening device includes an egg supporting portion, a trigger portion and an egg knife, and the trigger portion includes egg receiving position a, egg cracking position b, egg opening position c and shell dropping position e. The moving device is arranged on one side of the egg opening device, and the egg opening device completes the actions of egg receiving, egg cracking from a side surface, egg opening and shell dropping in one direction by means of the moving device, such that hands are freed in a cooking process of the automatic egg frying machine, and working efficiency is improved. The structure is simple, and assembly is convenient. Moreover, the whole machine has a small size, such that carrying is convenient, and time and labor are saved.