Traditional Chinese medicine for treating hyperthyroidism and preparation method of traditional Chinese medicine

The invention discloses a traditional Chinese medicine for treating hyperthyroidism. The traditional Chinese medicine is prepared from the following components in parts by weight: 20-30 parts of astragalus membranaceus, 15-25 parts of scrophularia ningpoensis, 15-25 parts of gynostemma pentaphylla, 10-20 parts of fingered citron, 10-20 parts of green persimmon, 5-10 parts of reed rhizome, 5-10 parts of goat thyroid, 1-3 parts of defatted croton seed powder, 1-3 parts of spiranthes amoena and 1-3 parts of nodus nelumbinis rhizomatis. In addition, the invention further provides a preparation method of the traditional Chinese medicine for treating hyperthyroidism. The traditional Chinese medicine is reasonable in component compatibility, and is capable of changing the internal environment of a human body after being taken, radically treating the diseases such as thyroid enlargement, bulimia, weight reduction, tachycardia, emotional excitement, hands tremble and exophthalmos, restoring the self-regulating functio