Pressure injury is the important quality indicators about our home care facility. The statistical unit surveyed the main caregivers and the correct rate of pressure injury care 62.6%. The survey results were found the main factors were caring knowledge and ability of caregivers, poor communication between caregivers and carers from different nationalities. The established improvement strategies: Caregiver Wound Care Checklist, establish a Line group communication instant consultation channel, use telecom to monitor and guide et al. the correct rate of primary caregivers performing pressure injury care was increased from 62.6% to 93.9%. Look forward to using this project as a reference to colleagues, and improving the quality of home care.