Many countries, such as Taiwan and Japan, have become an aging society. Domestic health-care systems to provide elders long-term health monitoring are required in the aging society. This paper proposes a novel wearable platform for long-term health monitoring - the smart-clothes platform. Utilizing the emerging electronic textiles, the smart-clothe is embedded with five types of sensors for health monitoring. The platform includes Based on the smart-clothe, a computing platform utilizing embedded gateway, smart-phone, and back-end cloud servers are designed for long-term sensors data collection and diagnosis. The platform enables wide-range of applications for health service based on smart-phones and cloud services.