A method for allocating an information display amount includes: determining an estimated display amount of unallocated information according to a total original display amount of all information display units and a displayed amount of allocated information; acquiring a predetermined display amount of the unallocated information according to the estimated display amount of the unallocated information; and allocating information displayed by each information display unit and a display amount according to the predetermined display amount of the unallocated information and a remaining display amount of the allocated information.