A treatment plan in which a position of a heat source and a treatment order are optimized is presented.A treatment support apparatus includes a processor, and a storage device connected to the processor, in which the storage device holds image information of tissue in a living body of a treatment target, and the processor extracts a blood vessel structure of the inside of the living body from the image information, calculates positions of one or more heat sources for thermal treatment on a treatment scheduled region including at least a part of the extracted blood vessel structure on the basis of the extracted blood vessel structure, and outputs data for displaying an image including the calculated positions of the one or more heat sources.
