Bellis perennis is a common European species of daisy. Although many other related plants are also called daisy, Bellis perennis is often considered the archetypal species. It is sometimes called common daisy or English daisy. It is native to western, central, and northern Europe, but is commonly found as an invasive plant in North America.
Bellis perennis has been used traditionally for treating wounds. In homeopathy, Bellis perennis is often used in combination with Arnica montana to treat bruising and trauma.

1.The pyrethrin has capability of execution to vary kind of pests andextensive use in 

agriculture producing, grain storage and daily life;

2.The spraying of pyrethrin to farmland can prevent aphid, snout moth`s larva, stinking, 

caterpillar, coccid, cabbage caterpillar, bollworm, dark tail leafhopper;

3.It is used in gain storage and the aerosol and dust can prevent every kind of grain 

bristletail;

4.It is used in daily life, and the aerosol and mosquito-repel lent incense can kill the mosquito, fly, termite, black beetle, spider, bedbug;

5.It also can be made into animal shampoos which can prevent the helminthes on the animal.