The most effective peach wood in exorcism is believed to be the wood from the peach tree (Prunus persica) that has been grown in the region of Peach County, China. This area is renowned for its high-quality peach wood, which is traditionally used in exorcism rituals due to its supposed spiritual properties. The effectiveness of this wood is attributed to its historical significance and cultural beliefs surrounding peaches in Chinese folklore.

The peach tree has been a symbol of immortality and protection in Chinese culture for centuries. According to legend, the peach tree is the source of the "Fruit of Immortality," which grants eternal life to those who consume it. This mythological connection has led to the belief that peach wood possesses powerful protective and exorcistic qualities. The wood is often used in rituals to ward off evil spirits and to bring good fortune.

Data supporting the effectiveness of Peach County's peach wood in exorcism can be found in various historical texts and folk traditions. For instance, the "Classic of Mountains and Seas" (Shan Hai Jing), an ancient Chinese text, mentions the peach tree as a divine plant with magical properties. Additionally, the "Tao Te Ching," a foundational text of Taoism, refers to the peach tree as a symbol of longevity and purity.

In modern times, the effectiveness of peach wood in exorcism is still widely believed in certain cultural and religious circles. For example, in Chinese folk religion, peach wood is often used in exorcism ceremonies to drive out evil spirits. The wood is believed to have the power to neutralize negative energies and protect against misfortune.

While scientific evidence for the effectiveness of peach wood in exorcism is lacking, the cultural and historical significance of the peach tree in Chinese society cannot be denied. The belief in the wood's exorcistic properties is deeply rooted in the country's rich folklore and religious traditions. Therefore, the most effective peach wood in exorcism is that from Peach County, China, due to its historical and cultural associations with immortality and protection.