H3 system is a promising company in the fields of home healthcare and ubiquitous healthcare. Tele-healthcare system usually consists of various kinds of technologies, such as bio-sensors, telecommunication networks, diagnostic tools, application software, and so on. It is not easy to have the whole necessary technologies. But we have! Our strong points lie in planning, technology integration, and system design. We have not only some core technologies about networks and diagnostic tools for ourselves but also large amount of outsourcing pool for the other necessary technologies including sensor technologies. We are developing market-driven systems. We always try to find tele-healthcare services those are suitable for customers and current market status. The current focus is on very convenient remote diabetes care system with moderate price. We are researching future technologies. Since technologies are changing very rapidly, one should follow the technology trend. Especially, sensors, networks including WPAN(Wireless Personal Area Networks), RFID(Radio Frequency Identification), AI(Artificial Intelligence) and automation-based diagnostics are our interests. We aim the leader company of ubiquitous healthcare. We are armed with fundamental technologies for ubiquitous healthcare and we are continuously following up the future technologies. We are growing drastically and will grow to the top level company in the field of ubiquitous healthcare.