White clover has no toxicity, there is a certain medicinal value, edible, but can not be eaten indiscriminately, eat more, otherwise it is easy to bring bad consequences. Its origin is in Europe, first introduced by our country planted, many areas have planted. It is not only good-looking, ornamental high, there is a good meaning, by the Irish country as the national flower. In our country's main value is as a green plant, planted in the highway, lakeshore or airport.