Cordyceps and red dates, wolfberries and scutellaria can usually be brewed together. 1. Cordyceps has the effect of tonifying the kidney and benefiting the lung, stopping bleeding and resolving phlegm. It is mainly used for treating impotence and spermatorrhea, lumbar and knee pain, prolonged coughing and asthma, and coughing phlegm and blood in labor. It is not suitable for those who have superficial evil (evil in the muscle surface). 2. Red jujube has the effects of tonifying the middle Jiao (treating Qi deficiency by tonifying the spleen), nourishing the blood and calming the mind (stabilizing the mind and soothing the emotions by nourishing the blood). It is used for treating spleen deficiency, dirty agitation (upset and depression, sadness and crying for no reason), and insomnia. 3. Lycium barbarum has the effect of nourishing the liver and kidneys, benefiting the essence and improving eyesight (tonifying the essence and promoting the recovery of eyesight). It is used for treating yin deficiency of the liver and kidney (deficiency of yin fluid in the liver and kidney) and premature aging. 4. Scutellaria baicalensis, with the efficacy of clearing heat and drying dampness (removing heat and drying dampness), diarrhea and detoxification (removing fire, poison and evil qi from the body). It is used for treating dampness-warmth (warmth caused by feeling dampness-heat), summer-dampness, chest congestion and vomiting, damp-heat plumpness (stomach distension and discomfort), jaundice and diarrhea, lung-heat cough, etc. It is also used for treating coldness of spleen and stomach (deficiency of spleen and stomach). It should not be used by people with deficiency cold (weak and cold spleen and stomach). The active ingredients of Cordyceps sinensis and jujube, wolfberry, scutellaria together in water are effective and may not be able to achieve the effect of treating diseases. If there is any discomfort after drinking the brewed water, it is recommended to stop using it and seek medical advice promptly.