It is not illegal for mainlanders to gamble in Macao. As one of the special administrative regions of China, Macao is governed by the Constitution of China and the laws of the Macao Special Administrative Region. Therefore, according to the regulations, it is not illegal as long as the mainlanders who take part in gambling are not staff members of state organs. Therefore, it is not illegal for mainlanders to gamble in Macao. However, according to Macao law, the parties concerned must be at least 22 years old.
Legal objectivity:
criminal law
Article 303
Whoever gathers people to gamble or gamble for profit shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance and shall also be fined. Whoever opens a casino shall be sentenced to fixed-term imprisonment of not more than five years, criminal detention or public surveillance, and shall also be fined;
If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than five years but not more than ten years and shall also be fined. Whoever organizes People's Republic of China (PRC) citizens to participate in gambling outside the country (territory), if the amount is huge or there are other serious circumstances, shall be punished in accordance with the provisions of the preceding paragraph.