Inclusion Criteria:  Adults aged 19 to 70 A person who has no difficulty in installing and using PHR app under study A person who has expressed his/her willingness to participate voluntarily  Exclusion Criteria:  Children/Adolescents under the age of 18 or Seniors over 71 years of age Those who do not have a smartphone or who are not proficient in using a smartphone Persons who are uncooperative and difficult to understand the research method due to cognitive decline