Legal analysis: any member of the household registration book can update it. How to update the household registration book: when updating the "service place", you need to provide the employment certificate issued by the company and affix the company's (preferably with a copy of the labor contract) ID card and other materials, and update it at the local police station. When updating the "educational level", you need to provide a copy of your degree certificate. When updating "marital status" to "married", you need to provide a marriage certificate and ID card.
Legal basis: Article 17 of the Regulations on Household Registration in People's Republic of China (PRC) stipulates that if the contents of household registration need to be changed or corrected, the head of household or himself shall report to the household registration authority; If it is verified through examination, the household registration authority shall change or correct it. When the household registration authority deems it necessary, it may require the applicant to issue a certificate of change or correction.