Jujube (nourishing heart and benefiting qi), Lycium barbarum (nourishing heart and benefiting qi), Chinese rose (entering liver meridian and nourishing liver), licorice (clearing lung heat), Euryale euryales (nourishing kidney and strengthening spleen) and honeysuckle (clearing away heat and toxic materials). Liver enlightens eyes, and nourishing liver can nourish eyes. Lung meridian and large intestine meridian are exterior and interior, tonifying lung can enhance intestinal function and strengthen detoxification.