Omagari et al. conducted a survey of the public awareness concerning antimicrobial resistance, with Grants for research from the Ministry of Health, Labour and Welfare of Japan. As a specific survey method, monitors (excluding healthcare professionals) registered with INTAGE Research Inc. responeded to an on-line questionnaire sheet during a period from March 18 to 21, 2017. Among the 21,039 persons who were contacted for the survey, valid responses were received from 3,390 (16%). By gender, 48.8% of respondents were females. By age group, more than 90% of all respondents were aged 35 to 69 years. About half of all respondents experienced taking antibiotics because of cold. Similarly, approximately 40% of respondents thought that antibiotics were effective for cold and influenza. Approximately 20% discontinued taking antibiotics based on their own judgment; and approximately 10% kept the remaining antibiotics at home. Among the respondents who kept antibiotics at home, approximately 80% used them based on their own judgment.