According to the inquiry of Apple Green Health Network, tiaosao's bite will cause some bad harm to human body, and fleas will bite some bare skin parts, such as neck or ankle, which are delicate and sensitive. In daily life, especially for children, TiaoSao's bite sometimes leads to infection, because TiaoSao's body contains certain toxins or some parasitic bacteria, which will lead to various undesirable phenomena.

Fleas, the general term for fleas, are known in the world as 2,500 species, and there are about 650 species in China. Fleas are small, wingless, jumping parasitic insects; Flat body shape, brown to dark brown; The body wall is hard, with many bristles, thorns and combs; The body is divided into three parts, chest and abdomen, and the section is obvious. Usually, male fleas are smaller than female fleas. Flea larvae are small and slender, maggot-like, milky white, eyeless and footless, and about 4.5 mm long. Fleas are named for their good jumping.