With the rapid development of it's economy, the aging population in China is getting larger. Therefore, effectively addressing the nursing problem of the elders and meeting their demands has become a major concern in Chinese society. As science and technology advances, wearable devices have become ubiquitous because of their unique features, such as portability and ease of use, which might be a feasible tool to provide desired service so as to solve such nursing problem of aging population. This paper conducts a user experiment with questionnaires to study the actual situation of current community nursing service from seven regions in order to collect user requirements of wearable devices and provides design method and guidelines for product designers of wearble device.