Radix Glehniae is sweet and slightly cold. It is a commonly used medicine for nourishing yin, clearing lung, resolving phlegm and relieving cough. Indications: dry lung, dry cough, fluid production, heat injury, thirst, etc.

Black Lycium barbarum: sweet and flat. Tonify kidney and essence, nourish liver and improve eyesight, replenish blood and soothe nerves, promote fluid production to quench thirst, moisten lung and relieve cough.

Although there is no conflict between the two, it is better to eat separately.