1. A method for multimedia model retrieval, comprising: acquiring parameters of a multimedia model to be retrieved; performing a projection on the multimedia model according to the parameters of the multimedia model so as to obtain a projection image; performing a feature extraction on the projection image; matching a feature extraction result with stored model multimedia file information so as to obtain a retrieval result; and training a support vector machine with the multimedia model labeled by a user upon the retrieval result as a training sample set, performing a probability-based classification on the multimedia model by the support vector machine and updating the retrieval result with a classification result.