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This invention discloses a behavioral feature-based emotion intervention system, belonging to the field of emotion intervention technology. It includes a feature fusion unit, a feature association analysis unit, a correlation group determination unit, a real-time data analysis unit, and an intervention plan output unit. Through continuous behavioral monitoring, this invention ensures that subtle deviations in behavioral patterns can be identified before the user is even consciously aware of them. This early warning capability for emotional risks breaks the traditional passive "problem occurs - proactively seek help" model, allowing for significantly earlier intervention and achieving true preventative mental health care. Furthermore, it can identify behavioral gaps and generate corresponding intervention actions, thus enabling personalized micro-interventions. From data collection to intervention execution, historical behavioral data is continuously used to optimize intervention strategies, thereby increasing the system's adaptability.

The invention discloses a children development problem screening method and system based on structured animation demonstration, and belongs to the technical field of children health. The method comprises the following steps: acquiring identity and age information of a to-be-screened child; determining a screening item set corresponding to the age information in a preset screening item database according to the age information; for each screening item in the screening item set, calling and displaying a structured animation demonstration set to the user terminal; receiving a binary selection instruction of a user for the first animation and the second animation; based on the binary selection instruction, recording a screening result of each screening item; and generating and outputting a screening evaluation report according to the screening results of all the screening items. Through standardized visual alignment demonstration, the complexity of the screening process is reduced, the loss and ambiguity in the information transmission process are reduced, and the accuracy and efficiency of early screening of child development problems are remarkably improved.