When the household number is a self-supporting new household, a set of numbers issued to the household by the household administration organ. In other words, the account number is the code of the account name, which is the same as the ID number. At present, the household registration number of the household registration book consists of nine digits, which is randomly generated by the household administration system of the public security organ.

The account number exists in the account book, which is often called the number in the account book. The number on the household registration book is necessary and easy to find. Among them, the household registration book is an important document of China citizens, which is jointly produced by the people of China and the Ministry of Public Security, and is used to register the names, places of origin, date of birth, specific titles, occupations, etc. Going to school, getting married, getting a passport, and doing many important things need to be used.

Legal basis:

Article 4 of the Regulations on Household Registration in People's Republic of China (PRC): The household registration authority shall set up a household register.

Cities, waters and towns with police stations shall issue household registration books to every household.

Rural cooperatives issue household registration books as units; The household registration book is not issued to accounts outside the cooperative.

The household register and the items registered in the household register have the effect of proving citizenship.

Article 5 of the Regulations on Household Registration in People's Republic of China (PRC): Household registration is based on households. The person who lives with the supervisor is a household and the supervisor is the head of the household. An independent family, with me in charge. Households living in institutions, organizations, schools, enterprises, institutions and public dormitories * * * set up separate households or separate accounts. The head of household is responsible for reporting household registration in accordance with the provisions of these regulations.