Egg freezing has emerged in China a few years ago, and female celebrities took the lead in ushering in the trend. According to statistics, the number of people who have their eggs frozen in the United States increased by 15 times in five years from 2013 to 2018. Worldwide, in 2006, the average age of women freezing eggs was 38 years old, and 10 years later, it has dropped to an average of 36 years old. This year has witnessed one of the youngest cases in Taiwan. 23-year-old Miss Zhang chose to freeze eggs right after graduation.