Osto care is an app developed by Herings, a digital telehealthcare company for cancer patients, based on the advice and consideration of Seoul National University Hospital's surgical professor team and stoma nurses. It is an app developed by hospitals participating in the at-home medical service pilot project. It was developed to periodically check the status of the stoma for stoma patients and provide two-way, non-face-to-face services necessary for home care.

■ Main features
1. Providing two-way non-face-to-face service with medical staff for stoma monitoring and management
2. Providing information about stoma necessary for daily life
3. Providing community services for information sharing and social activities among cancer patients