Drinking yellow essence water for a long time may have side effects such as loss of appetite and diarrhea. Yellow essence is sweet in taste and flat in nature, and belongs to the three meridians of the spleen meridian of the foot taiyin, the lung meridian of the hand taiyin, and the kidney meridian of the foot shaoyin. It is effective in tonifying qi and nourishing yin, moistening the lungs, strengthening the spleen and benefiting the kidneys. It can be used in treating dry mouth with little food, coughing up blood due to labor, lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee regions), and premature whitening of beard and hair. This product is nourishing and greasy in nature, easy to help dampness and stagnation of qi, so it should be used with caution for those with spleen deficiency and dampness obstruction and phlegm-dampness congestion. Huang jing is nourishing and greasy in nature, and can easily promote dampness and stagnation of Qi. Therefore, long-term consumption of yellow essence water may cause spleen deficiency and dampness, which may lead to diarrhea, poor appetite and other symptoms. The effect of the yellow essence water is limited, not a substitute for medication to treat the disease, if you are not feeling well, it is recommended to go to the hospital in a timely manner, do not self-medication.