Lycium barbarum: nourishing yin and tonifying kidney, clearing liver and improving eyesight. It has good nutritional and therapeutic effects. Often drinking Lycium barbarum leaves instead of tea can significantly improve and improve the immune function and physiological function of the elderly, infirm and tumor patients, and has the functions of strengthening the body and delaying aging. Combined with chemotherapy for cancer patients, it has the functions of reducing toxic and side effects, preventing leukopenia and regulating immune function. Jujube: nourishing blood and stomach. Jujube is a natural beauty food, which can also invigorate qi and spleen, promote biochemical circulation of qi and blood, and resist aging. Astragalus membranaceus: Astragalus membranaceus is a precious Chinese herbal medicine. It is a commonly used Chinese medicine. Taking astragalus regularly can avoid catching a cold. Because people are weak or older, lower limbs often have some edema. If it belongs to "qi deficiency", you can also take Astragalus regularly. People with chronic kidney disease may also have edema. Astragalus membranaceus is sometimes commonly used in Chinese medicine treatment. Tip: both red dates and astragalus have the effect of tonifying the middle energizer. Making tea can replenish vitality and make people full of energy! Lycium barbarum: People with cold, fever, inflammation and diarrhea had better not eat it. Jujube: people who have a cold, fever, abdominal distension and qi stagnation caused by exogenous wind and heat belong to those who avoid eating fresh dates. Astragalus membranaceus: Astragalus membranaceus is poisonous and sore, so don't drink it when it gets angry.