The information registered in the household registration book only has the meaning of household registration. Not important to other legal relationships. The head of the household can be changed.
Regulations of People's Republic of China (PRC) Municipality on Household Registration The household registration organ shall set up a household registration book. Cities, waters and towns with police stations shall issue household registration books to every household. In rural areas, household registration books are distributed to cooperatives, and household registration books are not distributed to households outside cooperatives. The household register and the items registered in the household register have the effect of proving citizenship.