McDonnell's role: nourish Yin and moist lungs, benefit the stomach to produce fluids, clear the heart in addition to annoyance; the role of asparagus: nourish Yin and moist dryness, clearing the fire, produce fluids; honeysuckle's role: clearing heat and detoxification, evacuation of wind and heat; Chinese wolfberry's role: tonic liver and kidneys, eyesight; these can be combined together, to play a role in the role is to nourish Yin Yin and tonify the kidney to clear the heat of the yin and nourish the yin.