Can Macau Hotel change small change into whole money?

Of course. China and Macau have no control over the entry and exit of Macao currency and foreign currency. Tourists can freely exchange money in hotels, banks and money exchange shops in China and Macau, so hotels in China and Macau can change small money into whole money. China Macao Special Administrative Region, referred to as "Macau", is the full name of People's Republic of China (PRC) Macao Special Administrative Region. It is located on the west side of the Pearl River estuary in southern China. It is the land and water intersection of Chinese mainland and South China Sea of China, adjacent to Guangdong Province and 60 kilometers away from the Hong Kong Special Administrative Region.