Disclosed are: a kit for treating atopic dermatitis in human and an animal; a method for treating atopic dermatitis; and others. Specifically disclosed are: an administration method; and a drug kit in which the monitoring, measurement and evaluation of a TGF-ß1-Th3 biological reaction (a Th3 cell), a Th2 biological reaction (both a Th2 cell and a Th9 cell, or any one of the Th cells), a Th1 biological reaction (a Th1 cell and a Tfh cell or a Th1 cytokine) and a cytokine are carried out sequentially to select the quantity of each of the Th agents and the period of administration of each of the Th agents, thereby formulating a therapeutic agent.