在生活环境中，人们发现龟之生命力很强，并能水、陆两生。人们对龟逐渐产生崇拜心理。在自然界中，原始先民出于对水害的束手无策，因此寄希望于龟，能够与水神相沟通，希望水灾不再危害人类的安全。并希望人如同龟一样长寿不死。
    People find thad tortoise has very strong life foree and is amphibian in both water and land .thus, people formed the worship of tortoise . in the nature, ancient people also rely their hopes on the tortoise for the fear of flood. They expect the tortoise to contact with the god of water to prevent the disaster from human security. Also, we wish they can live as long as the tortoise.