1. Promote the art of calligraphy: As a calligrapher, Yang Minghai promoted the art of calligraphy to more people by selling characters in Monkey Island. Monkey Island is a tourist attraction with many tourists, and it is a good promotion platform.
2. Increase the source of income: Yang Minghai increases the source of income by selling words. Selling people in Monkey Island can provide unique souvenirs for tourists and bring some economic benefits to themselves.