In online literature, metal, wood, water, fire, earth, earth, fire, earth, wind, and thunder were common symbols of the five elements, but there were also many differences between them. Metal, wood, water, fire, and earth were the five elements in the ancient Chinese theory of the five elements, representing five basic substances and five energy states. In online literature, these elements were often used to describe various plots and character traits. To be more specific, gold usually represents hardness, coldness, strength, and other concepts, while wood usually represents softness, agility, vitality, and other concepts. Water represents calmness, rationality, emotion, and other concepts, while fire represents passion, impulse, passion, and other concepts. Earth represents tenacity, thickness, loyalty, and other concepts, while wind represents freedom, agility, fantasy, and other concepts. Earth, fire, earth, wind, and thunder were more specific expressions in the theory of the five elements. They were usually used to describe more complicated elements and plots. For example, Earth fire could refer to the fire on the ground and volcanic eruptions, while Earth represented the elements of land and buildings, while Wind and Thunder referred to natural phenomena such as wind and lightning. In online literature, these five elemental symbols could not only be used to describe various plots and characters, but also to construct worldviews and worldviews. Therefore, different authors might use different elemental symbols to express their thoughts and ideas according to their creativity and style.