The formula and preparation technology of Western Han health oral liquid have national invention patents. Western Han health oral liquid is a product developed according to the health prescription unearthed in Mawangdui, Hunan Province. Its main components include twelve kinds of traditional Chinese medicines, which can nourish liver and kidney, tranquilize the mind, and are suitable for insomnia, amnesia, dizziness, tinnitus and deafness, soreness of waist and knees, frequent micturition and so on caused by liver and kidney deficiency.