The Chinese Pharmacopoeia stipulates that the dosage for decoction of Lanternwort is 1g~3g. 10g of Lanternwort has exceeded the dosage stipulated in the Pharmacopoeia, but it is not a large amount, and you should also consult your doctor, who will judge according to your condition. The efficacy of Lanternwort is to facilitate urination and clear the fire in the heart. Lantern heart grass, taste sweet, light, sex slightly cold. It belongs to the heart, lung and small intestine meridians. Clinically, it is mostly used for insomnia, urinary astringency, mouth and tongue sores and other conditions. Lamps heart grass used for clearing heat diuretic, urinary disadvantage (urine not smooth), leaking astringent pain of the evidence, can be used with Mutong, Qu Mai, Psyllium, etc.; if used for the heart fire hyperactivity, internal disturbances of the God’s mind of the restlessness of the heart, and the lack of yin and blood palpitations of palpitations and fear (heartbeat violent, alarming and disturbing), agitation and insomnia, insomnia dreaming, the heart of the heat (agitation and sultriness), often used in conjunction with the Huanglian. It should be noted that people with coldness and deficiency in the lower Jiao and urinary incontinence are forbidden to take Lanxin Cao. If you need to take this medicine, it should be under the guidance of a doctor.