The invention relates to a cooking method of Wuxi style spare ribs. The cooking method comprises the following steps: (1) taking the following raw materials: spare ribs, green Chinese onion, salt, light soy sauce, dark soy sauce, star anise, cassia bark, yellow rice wine, rock candy and edible oil; (2) washing two spare ribs and cutting into sections; pickling with the salt and the light soy sauce; (3) adding water into a pot and putting the spare ribs into the pot when the water is cold; boiling; after the water is boiling, taking out the spare ribs and washing; (4) putting the spare ribs into the pot and adding the water to cover the spare ribs; adding the light soy sauce, the dark soy sauce, cooking wine, the rock candy, the green Chinese onion, the star anise and the cassia bark and boiling; stewing with small fire; (5) decorating a plate to obtain a better appearance when the spare ribs are put into the plate; (6) after the spare ribs are deeply stewed, concentrating sauce with big fire and filling into the plate. According to the cooking method of the Wuxi style spare ribs, provided by the invention, the Wuxi style spare ribs are oily but not greasy, are crispy and sweet, have a balanced sweet and salty taste and have delicious pork and sauce; the Wuxi style spare ribs are a delicious dish, are simple to cook and are very suitable for people to eat.