The invention provides a multifunctional processing method and device suitable for cases, a platform and a storage medium. Comprising the steps that case data of a whole network are obtained based on a preset timed task, the case data are cleaned after the case data in a preset time period are obtained, and the case data comprise at least one case; acquiring historical browsing behaviors of a user, and matching the user with a corresponding interested case according to the historical browsing behaviors; receiving a question statement of a user, and performing semantic understanding on the question statement to obtain a highlight answer case corresponding to the question statement; and receiving a collection request of a user, and collecting the at least one case based on the collection request. According to the scheme, a service platform required by creativity, design and marketing work is constructed, functions of massive global business cases, case search, case recommendation, intelligent question and answer, inspiration recording and the like are provided for users, the users are helped to quickly accumulate and search creativity inspiration, and case reference is provided for business marketing.