Macao people apply for Portuguese passports.

Were you a permanent resident of Macao before 1999? Did you have a Portuguese passport before?

If you apply for a Portuguese passport (or any foreign passport), China does not recognize dual citizenship.

China's nationality is automatically lost.

Macao residents holding Portuguese passports were Macao permanent residents before 1999.

Their children can inherit the ownership of Portugal. Macao residents who obtained Portuguese passports after 1999.

This is inherited from parents.

This means that one of my parents is a Portuguese passport holder (that is, a Portuguese citizen)

As a child, I can become a Portuguese citizen under the age of 18 and get a Portuguese passport as a travel document.

If your parents have Portuguese passports and you don't exceed 18, you can get a Portuguese passport.