The present invention provides a method for preparing spicy stir-fried chicken using sweet pumpkin, and according to an embodiment of the present invention, the method comprises: a broth preparing step of inserting licorice, roots of green onions, bay leaves, rice wine, whole pepper, roasted anchovies for making broth, dried shiitake mushrooms, dried pollack slices, kelp, and Kuruma shrimps into water and boiling the resultant to prepare broth a spicy sauce preparing step of mixing the broth with a mixture including onion, ginger, garlic, grain syrup, thick soy sauce, sugar-preserved citron, jade bamboo salt, honey, a Japanese apricot extract, pepper powder, red pepper powder, very hot green pepper powder, and pineapple, to prepare spicy sauce an aging step of inserting 1 part by weight of the spicy sauce into 10 parts by weight of chicken meat cut into a size of 10-15 g, mixing the resultant, and aging for a predetermined time a vegetable preparing step of preparing washed and trimmed cabbages, washed and cut green onions, and sweet potatoes the skins of which are removed and which are cut into a constant size a first roasting step of putting the aged chicken meat into a preheated cooking pan, inserting the cabbages, the sweet potatoes, the green onions, and rice cakes for stir-fried rice cake, and evenly mixing and roasting the ingredients so as to be evenly seasoned while inserting the spicy sauce a sweet pumpkin preparing step of roasting a sweet pumpkin, cutting an upper end portion of the pumpkin, and removing the inside of the pumpkin to form a space in the pumpkin a second roasting step of inserting the roasted chicken meat into the empty space in the sweet pumpkin, filling mozzarella cheese and nut products in the space, and further roasting the resultant a cutting step of cutting the sweet pumpkin filled with the chicken meat, mozzarella cheese, and nut products into several pieces after completing the second roasting step and a completing step of finalizi
