The development of smart home products design based on user experience is a popular trend, and the number of women living alone is rising in recent years. However, there is a shortage of products design research and practice reference. According to emotional experience-centered design concept, combined with relevant principles of experience design and emotional design, the work aims to design an intelligent electric heater to meet demand of user experience concepts of the female living alone based on the research methods of smart home products. Through combination of literature survey, qualitative and quantitative research, the emotional needs and smart home product requirements of women living alone were explored, and functions and information interaction methods that met user needs were obtained. The final prototype model was made to test the user experience satisfaction, and the reasonableness of its demand analysis and design results were verified by SPSS. Through this study, a user demand analysis method for smart home product design suitable for specific groups is obtained. It is verified that the effective combination of user behavior demand analysis and smart home product design process can meet the needs of users with high satisfaction, especially in function, appearance, sense of atmosphere and companionship of the product. It also provides a new reference for the design process and practice of smart home.