Ear picking service in China for leisure and pleasure dates back to Song dynasty (960-1279 CE).
[5] Ear-picking as a service originated in the Song dynasty (960-1279 CE) as part of the leisure options offered by tea house or public bathhouse.
[6][7] The Chinese-style ear-picking process involves specialized tools, massages, sound, and techniques that emphasize cleaning and stress relief.
[9] The Chengdu ear-picking custom was reportedly popularized during Ming dynasty (1368-1644 CE).
It’s commonly used by local people for ear cleaning, refreshment and stress relief.