According to the 2018 Ministry of Health and Welfare's mortality statistics, the leading cause of accidental death above 65 years were (1) traffic accident (34.7/100,000), and (2) falls (25.7 /100,000). According to the 2017 National Health Interview Survey, the ratio of falls in adults 65 years of age or above was 1/6. Severe fall incidents will lead to long-term bedridden or even death.