The invention provides a soup cooking method and device for a cooker, the cooker and a storage medium. The soup cooking method includes the steps that user operation information of the cooker operatedby a user is obtained; according to the user operation information and a preset recipe, the fire power required for current cooking is determined; and according to the fire power and the user operation information, the cooker is controlled to cook soup. The soup cooking method provides the user with the preset recipe, in the recipe, the corresponding fire power and suggested cooking time of different soup categories are given, a time input interface is formed in the cooker, the user can freely choose the fire power and cooking time according to the preference of the different soup categoriesand the cooking habit of the user, and the good man-machine interaction effect is achieved; and according to the fire power and cooking time selected by the user, soup cooking is automatically controlled, the user does not need to watch in real time, when the cooking time selected by the user is over, the fire is automatically controlled to be turned off, and risks of bottom pasting and dry burning caused by manual operation of the user are avoided.