Shengdu Four Seasons Health Tea adheres to the theory of nourishing liver in spring, heart in summer, lung in autumn, kidney in winter and spleen and stomach in four seasons in Huangdi Neijing, and is based on strengthening spleen and stomach. In each season, in addition to conditioning and maintaining various organs, the key point is to maintain the corresponding organs in this season to ensure the normal and balanced operation of the five elements of the human body. Spring tea "benefits qi and yang, relaxes qi and blood, nourishes blood and protects liver"; Summer tea "relieves summer heat, promotes diuresis and neutralizes, benefits qi and nourishes yin, and protects the heart"; Autumn tea "nourishing yin and moistening dryness, regulating qi and helping the spirit, promoting fluid production and protecting the lungs" is; Winter tea "nourishes essence, nourishes yin and subdues yang, calms nerves and benefits kidney". At the same time, according to the season, people's mental activities, qi and blood activities, water and liquid metabolism are nursed back to health, so as to increase human resistance and balance human five elements. The balance of human five elements means that the five internal organs are healthy, the body is naturally healthy, energetic and long-lived.