| As the problem of aging becomes more and more serious,the issue of old-age care has become a hot topic of global concern.The 21 st century society is an intelligent society,intelligent production,intelligent life,and intelligent retirement will be the inevitable trend of future society.With the improvement of the educational level and cognitive adaptability of the elderly,more and more elderly people are beginning to try to improve their quality of life in the later years by using intelligent products.Among the many smart products,in view of the convenience of the elderly’s smart bracelet,which is easy to carry and operate,it is loved by the majority of the elderly,and quite a few elderly people are willing to use the elderly’s smart bracelet.Therefore,this article selects the elderly smart bracelet as the research object,selects more than 40 kinds of online reviews of the elderly smart bracelet in Jingdong Mall for text mining analysis,uses python crawler technology to obtain user online reviews,and uses snow NLP for feature words,emotional words and short The sentiment analysis of the sentiment of the sentence is used to get the sentiment score of the three.Then the KANO model was combined with the emotional score of the feature words to classify the feature words for the elderly smart bracelet needs.The classification results were divided into three categories,which were basic needs including call function and one-click help function.Excitatory needs include blood pressuremonitoring and heart rate Monitoring and expected requirements include positioning capabilities.The results of prioritizing individual needs according to the attention of feature words and the proportion of positive and negative reviews indicate that the top three characteristics according to the degree of user demand are customer service,logistics,and call for help functions.Therefore,it is recommended that users can use the call-to-help function as the main reference index when choosing an elderly smart bracelet,and then combine their own needs to choose from the blood pressure and heart rate monitoring of excitatory needs and the positioning function of expected needs;When you are strong,you should also pay attention to your own soft power,such as customer service and logistics services in the basic needs of the user.In addition,after ensuring the basic needs of the user,you can optimize the blood pressure and heart rate monitoring and positioning functions in the excited and expected needs.Accurate and timely data to improve user satisfaction. |