Without getting angry, Lycium barbarum has the functions of tonifying kidney and essence, nourishing liver and improving eyesight, nourishing blood and calming nerves, promoting fluid production to quench thirst, moistening lung and relieving cough. Treat yin deficiency of liver and kidney, soreness of waist and knees, dizziness, watery eyes, cough, thirst and nocturnal emission. Because its warm-up effect is quite strong, people with colds, fever, inflammation and diarrhea had better not eat it. However, compatibility with cold cassia will neutralize the medicinal properties.