Analysis of illness: Lycium barbarum effect: 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. Panax quinquefolium not only has the effect of invigorating qi and nourishing yin, but also can clear away fire and promote fluid production, which has considerable curative effect on body fluid deficiency, thirst and dry tongue. Suggestion: 3-5 grams of American ginseng and 5- 10 grams of Lycium barbarum can be taken frequently according to the situation.