Hello, a pair of posterior ear glands on toad's head will emit a milky liquid. In addition, the round protrusions on the skin are composed of many skin glands similar to the posterior ear glands. Besides glands that secrete mucus to keep the skin moist, there are also glands that secrete milky white liquid. Milky white liquid is poisonous.

Guiding opinions:

But for people, this weak toxicity doesn't work. If you get it on your hands or skin, it has no effect at all. If you put it in your eye, you will feel pain. As long as it is washed with clear water immediately, there is not much harm.