The invention belongs to the technical field of cleaning agents and relates to a lagerstroemia indica cleaning solution for a refrigerator. According to the cleaning solution for the refrigerator, which is prepared by extracting lagerstroemia indica and other aromatic plant petal essence, peculiar smell and bacteria in the refrigerator are effectively removed; the lagerstroemia indica cleaning solution is prepared from the following raw materials in parts by weight: 5 to 10 parts of rose, 1 to 10 parts of osmanthus fragrans flower, 5 to 10 parts of violet, 5 to 8 parts of arabian jasmin, 10 to 30 parts of lemon, 10 to 30 parts of lagerstroemia indica, 5 to 10 parts of dianthus chinesis, 5 to 10 parts of lily of the valley, 5 to 10 parts of allium cepa, 8 to 12 parts of sansevieria trifasciata, 8 to 12 parts of chlorophytum comosum, 10 to 20 parts of aloe, 5 to 8 parts of turpentine oil, 8 to 15 parts of floor wax and 10 to 20 parts of lithopone, wherein the allium cepa has the effects of sterilizing and adsorbing peculiar smell; the arabian jasmin and the lemon have the effect of killing probiotics such as diphtheroid; the lagerstroemia indica, the dianthus chinesis, lily of the valley, the violet, the rose and the osmanthus fragrans flower can be used for inhibiting growth of bacteria; the aloe, the chlorophytum comosum and the sansevieria trifasciata have an effect of purifying air; a preparation process of the lagerstroemia indica cleaning solution is mature, safe and reliable; a formula of the lagerstroemia indica cleaning solution is reasonable; if the lagerstroemia indica cleaning solution is used for a long time, long-acting sanitation and cleanness of the refrigerator can be benefited, and an environment-friendly application environment is obtained.