A searching method and system based on multi-round inputs and a terminal are provided. The method comprises: acquiring search conditions input by a user in multiple searches; determining a multi-round property between at least two searches of the multiple searches; determining a search purpose of one of the search conditions, and determining that the search purpose of the one of the search conditions is a multi-round search purpose; generating search results based on the multi-round search purpose and search conditions input by the user; and ranking the generated search results, and determining and outputting an optimal search result. According to the searching method provided by the present application, a machine can understand a user's purpose under a continuous multi-round interactions by understanding the context, so that the use initiative of the user is improved.