An artificial intelligence-based sign language interpretation service providing system and method for determining a user's emotional state are provided. A method of providing an AI-based sign language interpretation service according to various embodiments of the present disclosure includes the steps of: receiving sensor data corresponding to the user's gesture action from one or more sensors mounted on the user's hand; Translating the received sensor data into a textualized language using a model and outputting the translated language, wherein the pre-learned first artificial intelligence model includes a sensor corresponding to one or more gesture actions. It may be learned using data and learning data including sign language information corresponding thereto.
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