Tranexamic acid skin externally applied nano-preparation, as well as preparation method and use thereof

The invention relates to a tranexamic acid skin externally applied nano-preparation, as well as a preparation method and a use thereof. The nano-preparation is prepared from tranexamic acid, medicated oil, an emulsifier, pharmaceutical additives, a thickener and pure water. The tranexamic acid skin externally applied nano-preparation provided by the invention has good physiological skin compatibility and can effectively promote the percutaneous absorption of tranexamic acid, improve the effect of preventing or treating pigmentation of the tranexamic acid and avoid toxicity and side effects, which are caused by systemic administration of the tranexamic acid.