The invention discloses a germicidal deodorant removing peculiar smells of down feather and chemical fabrics and a method thereof. The germicidal deodorant comprises, by weight, 3-5 parts of zinc cresol sulfonate, 3-5 parts of propylene glycol, 0.5-1 part of acetylated lanolin alcohol, 5-6 parts of perfume with lemon flavor, 0.5-1 part of natural aromatic oil, 30-40 parts of ethanol and 5-10 parts of fragrance-fixing agent. The germicidal deodorant is easy to obtain, has simple preparation, low cost and good peculiar smell removing effect, can save production cost, and can remove peculiar smells thoroughly. The method of removing peculiar smell comprises the steps of arrangement of the chemical fabrics, arrangement of the down feather, rinse, bleaching, selection of the sterilization and disinfection raw material, pretreatment of ethanol, preparation of the germicidal deodorant, pretreatment of water, preparation of a groove of the germicidal deodorant, advanced treatment of sterilization and deodorizing of the down feather, remobilization of the germicidal deodorant, and advanced treatment of sterilization and deodorizing of the chemical fabrics. The method is simple and environmental-friendly, is easy to operate, can recycle the resource, and can remove the peculiar smells of down feather and chemical fabrics with high efficiency.