1, peach tree: peach wood is also called dragon wood, and the wood is smooth and fragrant. It is recorded in Compendium of Materia Medica: "Peach tastes pungent, so it is hateful." Thousands of families always exchange new peaches for old ones, and the ancients would stick peach symbols in front of their doors to ward off evil spirits, that is, plates made of peach wood. According to folklore, peach trees are the essence of the five elements. According to legend, peach trees can make all kinds of ghosts and eliminate all kinds of evils. Modern people don't have peach charms, but planting peach trees in the courtyard or inserting them indoors is also a good way to ward off evil spirits.

2. mugwort: mugwort is also mugwort. "There is always mugwort at home, which is suitable for all ages." In ancient times, mugwort was used as a title of respect for the elderly. In many rural areas, villagers often hang mugwort leaves at the door to drive away evil spirits. At present, some places in Zhejiang and Hunan still keep this way of burning mugwort leaves to repel mosquitoes and ward off evil spirits, or hang them at the door to ward off evil spirits.

3. Ginkgo biloba: a thousand-year-old tree that blooms at night. Ginkgo biloba has a long life span, which can last for thousands of years. Because its flowers bloom at night, it is difficult for people to see them at ordinary times. Therefore, ginkgo biloba is regarded as a tree with mysterious power in many places. Ginkgo tree not only has pharmacological and health-preserving effects, but also has the function of ward off evil spirits. Many folk towns and houses are carved with ginkgo trees, and planting ginkgo trees or potted ginkgo trees at home can attract wealth and ward off evil spirits.