Provided is a mite repellent having a high mite repellent effect and excellent moldability. Moreover, it is a processed product obtained by using this mite repellent and various resins, and provides a tick repellent processed product such as a fiber, sheet, or molded product that exhibits excellent mite repellent properties. The mite repellent of the present invention is a mite repellent obtained by supporting a drug on an inorganic porous material, the drug is an aliphatic dibasic acid dialkyl ester having a specific structure, and the inorganic porous material is The BET specific surface area is 550 to 1000 m 2 / g, the pore diameter is 0.8 to 15 nm, and the loading amount of the drug is 0.007 to 0.09 ml per 100 m 2 of BET specific surface area of the inorganic porous material. It is characterized by being.ダニ忌避効果が高く、成形性にも優れたダニ忌避剤を提供する。また、このダニ忌避剤と各種樹脂を用いて得られる加工品であって、優れたダニ忌避性を発現する繊維、シート、成形品などのダニ忌避性加工品を提供する。 本発明のダニ忌避剤は、薬剤を無機多孔性物質に担持させてなるダニ忌避剤であって、前記薬剤は、特定構造の脂肪族二塩基酸ジアルキルエステルであり、前記無機多孔性物質は、BET比表面積が550~1000m2/gであり、かつ、細孔径が0.8~15nmであり、前記薬剤の担持量は、無機多孔性物質のBET比表面積100m2あたり0.007~0.09mlであることを特徴とする。