The invention belongs to the technical field of cosmetics, and in particular relates to a moisturizing and soothing spray and a preparation method thereof. The moisturizing and soothing spray consistsof the following raw materials: tocopherol, nicotinamide and a herba portulacae extract. The spray, which is high in content of the herba portulacae extract, can guarantee effects of moisturizing, resisting allergy and the like; and based upon researches, it is indicated that the spray provided by the invention has good stability, and the spray has a good moisturizing effect on skin cells.