1, oleander: evergreen shrub with pink or white flowers, widely distributed, and its leaves, flowers and bark are toxic. I've seen it myself. When I was a child, I liked to pick its flowers to play with. There are many oleanders in the place where I study now, so I can only appreciate them and dare not do them again.

2. Digitalis: also known as Digitalis, a herb, is cultivated everywhere. The whole column has short hair, oval leaves, flowers in early summer, facing one side, and the leaves are poisonous.

3. Lily of the valley: a herb, wild in the northeast and northern mountainous areas, with bell-shaped flowers, white fragrance and poisonous whole grass.

4. Convolvularia barbata: Also known as Jatropha curcas, shrubs, cultivated in Yunnan, Guangdong and other places in China, with yellow flowers, purple spots and milky white, the whole plant is poisonous.

5. Poisonous arrow tree: also known as "blood-sealing throat", deciduous tree, distributed in Guangxi, Hainan and other places, 20~25 meters high, oval leaves, purple flesh and poisonous juice.

6. Others: sorghum seedlings, cassava, apricots, peaches, plums, kernels, polygala tenuifolia, platycodon grandiflorum and Gleditsia sinensis.