The story tells the story of Li Xiaoyao, a young man in the city who unexpectedly acquires the miraculous ability to travel through the six realms and is given the important task of "saving the six realms". Accompanied by Sha Mao, Su Qingmei and other partners, he successively broke into the fairy world, the demon world, the mortal world, the netherworld, the demon world and the divine world, experiencing humorous fantasy adventures along the way. Faced with crises such as conspiracies, power struggles, natural disasters from all walks of life, and the gods losing control, Li Xiaoyao uses wisdom, complaints, and teamwork to resolve problems. After experiencing all kinds of growth and laughter, the six realms were finally restored to harmony and achieved the supreme path of self-achievement.