PHAND手部消毒洗手液是在后疫情背景下针对儿童整合式娱乐空间这一特殊场景设计的，旨在通过行为心理学的研究激发其自觉能力提升，主动进行手部消毒。 PHand hand sanitizer is designed for the special scene of children's integrated entertainment space in the context of post epidemic situation. It aims to stimulate their conscious ability to improve and actively disinfect their hands through the research of behavioral psychology.