To provide a nebulizer mesh selection method with which optimal therapy that is matched to the drug and the patient can be achieved. [Solution] This nebulizer mesh selection method is characterized in having: a step for a computer to acquire drug attributes a step for acquiring the patient s respiratory capacity a step for selecting the mesh corresponding to the acquired drug attributes and patient s respiratory capacity on the basis of a mesh selection table in which specific meshes are matched to combinations of drug attributes and patient respiratory capacities and a step for outputting the selected mesh.
