Shaved ice at one time was so popular, in fact, that a local saying went, "Selling ice is number one; number two is being a doctor" --presumably in reference to the profitability of the respective professions.
「賣冰第一，第二做醫生」，自古以來賣冰就被視為「暴利」最多的行業，而冰淇淋在冰製品中屬於頗受歡迎的食品之一，因此許多人都看好這門行業。