The invention discloses a method for extracting flavone component in hawthorn by using a pressurized liquid extraction (APLE) technique. The method comprises removing kernels from matured hawthorn fruits, conducting low-temperature drying, smashing by using a grinder, screening hawthorn powder with needed particle size, placing for reserving, weighting certain amount of the hawthorn powder to be sufficiently mixed with certain amount of kieselguhr, filling in an extraction pool, sealing the extraction pool, placing in a pressurized solvent extraction device, adding solvent, setting parameters and then automatically extracting. Maximum 12 samples can be automatically extracted by using a same method. The pressurized liquid extraction method is adopted, extracting time is short, conditions are mild, the solvent is saved, and flavone yield is high. The method further has the advantages of simple operation, good continuity and the like. Obtained hawthorn flavone can be used for further research and development of medical treatment, health care and functional foods.