Refrigerator sterilization deodorant

The invention discloses a refrigerator sterilization deodorant and belongs to the technical field of daily-use chemical industry. The defect that the conventional sterilization deodorant is incomplete in sterilization or the refrigerator is corroded is overcome. The preparation method comprises the following steps: respectively adding aloe, fresh lemon, ginger, mint, clove, honeysuckle, coptis chinensis and fructus forsythiae into deionized water, soaking, boiling, cooling, filtering and retaining the filtrate; adding the filter residues into the deionized water again, boiling, cooling, filtering, merging the filtrate twice, concentrating the filtrate to the concentration of 1.3-1.4g/cm and obtaining the plant extract; taking 20-40 percent of the plant exact, adding 45-70 percent of deionized water for diluting, uniformly stirring, sequentially adding 2-8 percent of triethanolamine N-coco acyl-glutamate and 5-10 percent of lauramidopropyl betaine, uniformly mixing, so as to obtain the refrigerator sterili