Fuente: WIPO "tomato" Embodiments in the disclosure provides a method, apparatus, device and storage medium for application processing. A method includes: receiving a first chat message from a user in a chat window of the user and a digital assistant, the first chat message indicating a user requirement for creating or adjusting a target application; determining, based on capability information related to an application processing capability of an application creation platform and interaction information in the chat window, a plurality of sub-requirements comprised in the user requirement; and performing the application processing operation associated with the plurality of sub-requirements in response to receiving a confirmation of the plurality of sub-requirements from the user. Therefore, the user requirements can be conveniently and clearly defined through interaction with the digital assistant in the application creation or adjustment process, and the user requirements are decomposed into specific sub-requirements that can be supported and implemented by the application creation platform. This helps to ensure the matching between user requirements and platform capabilities, improving the user experience.