The purpose of this study is to analyse utility and compatibility of U-health solution service based on mobile for chronic wound management.

In this study, 'the management of pressure ulcer' defined as procedures comprising wound assessment, wound dressing and infection control, visually evaluated the outcomes of 'the management of pressure ulcer' through the tele-consultation.

This study designed to draw service targets based on utility and compatibility of U-health solution service and to analyse whether health providers use U-health solution service.

Inclusion Criteria:

• Subject who has pressure ulcer or Health care provider for wound management

Exclusion Criteria:

• Subject who have Osteomyelitis
• Subject who have suppuration
• Subject who participated in other clinical trial within 30 days from screening date