To provide a shipping plan making method capable of making a shipping plan in a short time, when loading small-lot transport object products in one hold, even if a general purpose computer is used.

When making a packing style and arrangement by a computer when loaded on the one hold by dividing a plurality of kinds of long size transport products into a plurality of stage-stacking product groups, the computer is made to execute a packing figure making step of making respective packing styles of the plurality of stage-stacking product groups by classifying the plurality of kinds of respective transport products into the plurality of transport product groups and determining stage-stacking order of the transport products in the respective transport product groups based on attribute information of the plurality of kinds of respective transport products and information on the depth of the hold, and a hold inside arrangement making step of making hold inside arrangement of the plurality of stage-stacking product groups based on information on a shape and the size in a plan view of the plurality of respective stage-stacking product groups and a shape and the size of a bottom surface of the hold.