Collect taxes. If the total value of luxury goods such as watches and jewellery purchased in Macao exceeds MOP5,000 (or equivalent in foreign currency), it is necessary to declare and pay taxes. According to the regulations of Macao Customs, departing passengers should fill in the passenger's personal belongings declaration form at the departure lobby of Macao airport or port. If the value of the articles carried exceeds the prescribed duty-free limit, passengers are required to pay 10% tariff to Macao Customs. Therefore, if you buy luxury goods such as watches and jewelry after winning money in Macao, and the total value exceeds the prescribed tax-free limit when you leave the country, you need to declare to Macao Customs and pay the corresponding taxes.