雷丸又叫做雷矢、雷实、竹岑,生长在竹林土中,是寄生在竹根部的菌蕈类。形状像兔粪,大的像栗子,小的像豆子,在市上出售的是乾燥的不整齐的塊状物,像指头大小,質坚硬,外皮黑褐色,内部白色,把它研磨成粉末,味苦而沒有气味。雷丸的产地是四川、湖南、貴州等省。雷丸也是一种治疗螩虫病的药,它的有效成分是一种能够溶解螩虫体的蛋白酶,能将螩虫溶解破坏,所以它对各种螩虫病都有很好的功效。雷丸对螩虫的作用不是把虫体虫头排出来,而是在 Lei Wan, also known as Lei Ya, Lei Shi, and Zhu Di, grows in bamboo forest soil and is a kind of fungus that parasitizes in the roots of bamboo. It is shaped like rabbit droppings, big like chestnuts, and small like beans. It is sold in the city with dry irregularities like finger size, hard texture, dark brown outer skin, white inside, and it is ground into powder and taste. Bitter without odor. The origin of Lei Wan is Sichuan, Hunan, Guizhou and other provinces. Lei Pill is also a medicine for the treatment of tsutsugamushi disease. Its active ingredient is a protease that can dissolve the mites. It can dissolve and destroy the mites, so it has a good effect on various tsutsugamushi diseases. The effect of Lei Pill on aphids is not to discharge the insect head, but to