Legal analysis: The guardian of a minor should apply for registration on his or her behalf. If a guardian applies for house registration for a minor on his or her behalf, he or she must submit materials proving the guardian's identity; in this case, their guardian's signature is required when buying a house. This also effectively protects the interests of the minor and the guardian from being infringed upon. loss.

Legal basis: Article 35 of the "People's Republic of China and Civil Code" Guardians shall perform guardianship duties in accordance with the principle that is most beneficial to the ward. The guardian shall not dispose of the ward's property except to protect the interests of the ward. When guardians of minors perform their guardianship duties and make decisions related to the interests of the ward, they should respect the true wishes of the ward based on the age and mental status of the ward. When guardians of adults perform their guardianship duties, they should respect the true wishes of the ward to the greatest extent, and ensure and assist the ward to carry out civil and legal acts commensurate with their intellectual and mental health. The guardian shall not interfere with matters that the ward has the ability to handle independently.