In the afternoon 1 o'clock to 3 o'clock, qi and blood flow to the small intestine meridian.

When it is unclear, drinking water can reduce the fire; The small intestine is turbid, the water is attributed to the bladder meridian, the dregs are sent to the large intestine, and the essence is lost to the spleen. After all, the small intestine meridians regulate people's nutrition. When the small intestine is hot, people will cough and fart. At this time, drinking more water and tea will help the small intestine excrete nutrients and reduce fire.