Do I need a passport to go to Macau?

You don't need a passport to go to Macau. You don't need a passport to go to Macao, but you need a Hong Kong and Macao pass. The Hong Kong and Macao Pass is a travel document issued by the People's Republic of China and the Exit-Entry Administration of the Ministry of Public Security to China mainland residents for private travel, visiting relatives, engaging in business, training, employment, study abroad and other non-official activities.

To apply for a passport for the first time, you need the applicant's resident ID card, household registration book, a photocopy, a bareheaded photo and a completed Application Form for China Citizens Going Abroad for Private Purposes. During the collection, renewal and replacement of resident identity cards, temporary resident identity cards may be submitted.

Legal basis: Article 9 of the Law of the People's Republic of China on Exit and Entry Administration

China citizens shall apply for passports or other travel documents when leaving or entering the country. China citizens who want to go to other countries or regions also need to obtain visas or other entry permits. However, unless the China government has signed visa exemption agreements with other governments or the Ministry of Public Security and the Ministry of Foreign Affairs provide otherwise. China citizens who leave or enter the country as seafarers and work on foreign ships shall apply for a seaman's certificate according to law.