The 24 solar terms classify the whole year into 24 phases in order in accordance to the earth's climatic change caused by the change of the sun's site change. Rain more and temperature higher, nurse and harmonize Liver and Spleen, more outdoor activities to prevent being spring sleepy.
The rains the period of rainfall in the whole year. In Chinese traditional medicine theory, the period of the rains plays the important role in caring spleen and stomach. The harmony of spleen and stomach can improve and regulate the physical metabolism. In Chinese traditional medicine, the root of human health is Yuan Qi, and the root of Yuan Qi in human body is spleen and stomach. The poor spleen and stomach are the predominant causes of different diseases. So in the aspect of eating, people had better not eat too much oily and fat food but the red Chinese date, lotus, leek, spinach, orange, honey and sugarcane.