What does the home visit permit on Ctrip mean?

The Home Visit Permit on Ctrip.com refers to the entry permit for Chinese mainland residents to return to Chinese mainland after working, studying or traveling in Hongkong, Macau or Taiwan Province Province. According to the regulations of the Ministry of Public Security of China, Chinese mainland residents who want to go to Hong Kong, Macao or Taiwan Province Province need to apply for corresponding pass documents, such as Hong Kong and Macao Pass or mainland travel permit for taiwan residents. These documents are called "Home Visit Permits" because they are used for the purpose of Chinese mainland residents returning home.