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This paper focuses on the modelling of the hand, foot and mouth disease (HFMD) in people carrying the pathogen. The HFMD has become widespread in China, and the Chinese public health has been seriously threatened. The modelling of the HFMD has already taken several aspects into consideration but in the traditional modelling of infectious disease, the people who are not infected but carry the pathogen are ignored. In this paper, the “carrier” is included in the modelling of the HFMD and the newly developed model (SIRC) is proved to play a key role in the modelling and stability analysis of the HFMD.