1. When purchasing watches or jewelry in Macau, if the total value carried out of the country exceeds the limit of 5,000 Macau Patacas, declaration and taxation are required.2. According to Macau Customs regulations, travelers must fill out a "Declaration Form for Personal Effects" at the departure hall of the airport or port.3. If the value of the items carried exceeds the tax-free limit, a tariff of 10% must be paid to the Macau Customs.4. Therefore, if you purchase luxury goods with winnings in Macau, you must declare and pay taxes to the Macau Customs according to the regulations if the value exceeds the tax-free limit upon departure.