Species: Bufo bufo gargarizans subspecies (Bufo gargarizans) and Bufo nigromaculata.

Scraped Venenum Bufonis and picked cicada slough are rare medicinal materials in China.

It belongs to the whole family of Bufo gargarizans or Bufo nigromaculata. Fishing in summer and autumn. Collect toad venom after catching, then kill toad and dry it directly (Northeast China and North China); Or after slaughter, take out the internal organs and open the body cavity to dry (East China, South China, South China). This kind of dried toad is called "dried toad", and the product with internal organs removed is commonly called "dried toad skin".

Toads are distributed all over the country. From late spring to late autumn, they often lurk between grass and crops during the day, or around houses and under rocks and caves in dry land, and often climb on the roadside and grass to feed at dusk. Slow and clumsy, not good at jumping and swimming, only crawling.