Glaucoma is an eye disease with intra-ocular pressure being discontinuously or continuously increased, continuous intraocular hypertension can damage all part tissues of an eyeball and visual function, and if the continuous intraocular hypertension is not treated in time, visual field can be lost completely to cause blindness. Glaucoma is one of three major leading blind eye disorders causing blindness of human, the incidence of total population is 1 percent, and the incidence of people more than 45 years old is 2 percent. The drug is prepared by combining tribulus terrestris, bear gall, cassia seed, Chinese gentian, glycine max, whitebackleaf mallotus root, gastrodia tuber, celosia seed, gambirplant, butterflybush flower, red ochre, pipewort, cinnabar, ptunella spike, magnet, chastetree fruit, dragon's bone, chrysanthemum flower, amber, mulberry leaf, seed of spine date, cicada skin, arboruitae seed, hedgehog skin, pearl, Korean raspberry, nacre, fruit of Chinese magnoliavine, abalone, flatstem astragalus seed, cuscuta chinensis and herb of snow of june, and the drugs are combined to ensure that efficacies of all the drugs generate a synergistic action, so that glaucoma can be effectively treated.