The invention relates to bacteriostatic skin-care foot washing liquid in the field of traditional Chinese medicine, in particular to an aromatic plant bacteriostatic skin-care foot washing liquid and a preparation method thereof. The invention provides the aromatic bacteriostatic skin-care foot washing liquid which has good antibacterial effect and is convenient for use and the preparation method thereof for overcoming the serious side effect drawback of western medicines and the inconvenience administration drawback of Chinese medicines, which are used for treating dermatophytosis. The bacteriostatic skin-care foot washing liquid mainly comprises the following components in part by weight: 1 to 15 parts of extract of root bark of shaggy-fruited dittany and light yellow sophora root, 1 to 15 parts of aloe extract, 7 to 12 parts of ammonium dodecyl poly oxyethylene sulfate, 5 to 10 parts of lauryl sodium sulfate, 0.1 to 0.2 part of ethylene diamine tetraacetic acid (EDTA)-2 Na, 0.05 to 0.1 part of benzoic acid, and 1 to 5 parts of salicylic acid, wherein the weight ratio of root bark of shaggy-fruited dittany to light yellow sophora root is 1:1.