CPC A61B 5/6844 (2013.01) [A61B 5/02427 (2013.01); A61B 5/02438 (2013.01); A61B 5/681 (2013.01); G06F 1/163 (2013.01)] | 20 Claims |
1. A wearing prompt method for a wearable device, comprising:
obtaining, by a wearable device, a target photo plethysmo graph (PPG) signal;
identifying a reference wearing position of a plurality of reference wearing positions corresponding to a position where a reference wearing parameter is greater than a predetermined reference value, wherein each reference wearing position corresponds to a different wearing tightness on the wearable device;
storing the reference wearing parameter;
storing a correspondence between the plurality of reference wearing positions and a plurality of PPG signals, wherein the plurality of PPG signals comprises a PPG reference signal; and
prompting, by the wearable device when the target PPG signal is inconsistent with the stored reference wearing parameter, a user to adjust a wearing position of the wearable device, and to adjust tightness of wearing the wearable device.
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