Lanternwort is good. Lantern grass has the effect of clearing heat and detoxification, with lantern grass bubble water to drink can have a certain removal of body heat and poisonous evil effect, so lantern grass good. Lantern grass (is the lip family wind wheel vegetable plants, erect perennial herbs, up to 1 meter high, multi-branched, creeping roots. Stem quadrangular, leaf blade ovate, apex obtuse or acute, base broadly cuneate to several rounded, edge with sparse crenate teeth, above olive green.