Do I need a passport to go to Taiwan Province Province?

You don't need a passport to go to Taiwan Province Province. Mainland residents who want to go to Taiwan Province Province need to travel to and from Taiwan Province and enter Taiwan Province.

Article 9 of the Law of People's Republic of China (PRC) on Exit and Entry Administration?

Citizens of China who travel between the Mainland and the Hong Kong Special Administrative Region and the Macao Special Administrative Region, and citizens of China who travel between the Mainland and Taiwan Province Province, shall apply for a permit according to law and abide by the relevant provisions of this Law. Specific management measures shall be formulated by the State Council.

Article 10?

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.

Article 11?

When China citizens leave or enter the country, they shall submit their passports or other travel documents and other exit and entry documents to the entry-exit frontier inspection authorities, and shall go through the prescribed procedures before leaving or entering the country.

At qualified ports, the entry-exit frontier inspection organs shall provide special passages and other convenient measures for China citizens to enter and leave the country.