Toad, amphibian, toad head of a pair of posterior ear glands, will release a milky white liquid to, in addition, the skin on the round protuberance is also with the posterior ear glands by the same many skin glands, in addition to a kind of secretion of mucus to make the surface of the skin to keep wet, and there are able to secrete the milky white color of the liquid of the glands. The milky liquid is poisonous. Children playing with the toad will have their skin come into contact with these poisonous glands and may be poisoned, so be careful.