Tongue diagnosis AI system is an advanced exploration of combining artificial intelligence with traditional Chinese medicine. The deep combination of AI technology and traditional Chinese medicine marks that the combination of artificial intelligence technology and traditional Chinese medicine in China has entered a new era of benefiting the whole people. The combination of convenience of information collection of tongue diagnosis AI system and background big data analysis technology can give full play to the advantages of big data and cloud computing. When used in special periods such as epidemic situation, it can give full play to its advantages of reducing face-to-face diagnosis and treatment and reducing medical burden, and has great potential practical application value.