may not. The law clearly stipulates that a person can only have one household registration. Article 5 of the Household Registration Regulations: Household registration shall be based on household. Those who live together with the person in charge shall be established as one household, and the person in charge shall be the head of the household. If a single person lives in an independent household, he or she shall be the head of the household. One household or separate household registration shall be set up for those who live in institutions such as government agencies, organizations, schools, enterprises and institutions and in public dormitories. The head of household is responsible for reporting the household registration in accordance with the provisions of these Regulations. Article 6 Citizens shall be registered as permanent residents in the place where they often reside. A citizen can only be registered as permanent residents in one place. Extended information: Household register refers to the register of household names, native places, birth dates, educational background, industries, specific occupations, etc. China's household register is a basic household administration document that comprehensively reflects the basic demographic information such as the personal identity of the household population. The Household Register is an important document for Chinese citizens, which is made by the Ministry of Public Security of the People's Republic of China. It is used to register the names, native places, birth dates, specific occupations and other contents of residents. It is used when going to school, getting married, getting a passport, and handling many important things. Notes: First, the household register has the legal effect of proving the status of citizens and the relationship between family members, and is the main basis for the household registration authority to conduct household registration investigation and verification. When the staff of the household registration authority conducts household registration investigation and verification, the head of household or members of the household shall take the initiative to submit the household register for examination. 2、 The householder shall keep the household register properly and shall not alter, transfer or lend it without permission. If it is lost, it shall be reported to the household registration authority immediately. 3、 The right to register in the Household Register belongs to the household registration authority, and no other unit or individual may make any record in the Household Register. 4、 In case of any increase or decrease in the number of the household members or any change in the registered items, the household registration authority shall apply for registration with the Household Register. 5、 If the whole household moves out of the residence jurisdiction area, the household register shall be handed in to the residence registration authority for cancellation.