To support care management or care plan preparation on which the intention of a person to be nursed or the like is sufficiently reflected.

An information recording medium 1 for recording a nursing service support program is constituted so that a care plan preparing method can be executed by a computer 2 having input devices 4 and 5, a display device 3, and a storage device. This care plan preparing method comprises a step for displaying investigation items related with a nursing service use registerer who preliminarily performs setting and registration in order to receive a nursing service at the display device 3, a step for extracting the needs of the nursing service use registerer based on assessment information inputted by an operator in response to the presented investigation items, and for displaying at least one nursing service candidate corresponding to the selected needs based on the selection input of the operator in response to the displayed needs, and a step for deciding a nursing service to be provided to the nursing service use registerer based on the selection input of the operator.