Efficacy of salt-based packs cold compress in analgesic of photodynamic therapy for port-wine stain

Photodynamic therapy (PDT) is an effective treatment for bright erythema moles, but its treatment is often accompanied by severe pain, which affects the patient's treatment experience and compliance. This study aims to explore the analgesic nursing effect of salt bag ice in photodynamic treatment of patients with bright red moles, in order to provide new pain care methods for clinical practice, improve patient satisfaction, and improve the quality of nursing services.