1. It is illegal for private individuals to exchange Hong Kong dollars in Macau.

2. It is illegal to exchange Hong Kong dollars and RMB without permission.

3, according to the relevant judicial interpretation, illegal trading of foreign exchange more than 200 thousand dollars; If the illegal income is more than 50,000 yuan, which constitutes a serious circumstance, he shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also be fined not less than 1 times but not more than 5 times the illegal income; If the circumstances are especially serious, he shall be sentenced to fixed-term imprisonment of not less than five years, and shall also be fined not less than/kloc-0 but not more than 5 times of illegal gains or confiscation of property.