longan, red dates and lotus seed soup is a traditional Chinese name. Longan, also known as longan, is nutritious and contains various sugars and vitamins. Warm in nature and sweet in taste. Entering the heart and spleen meridians. Efficacy: tonify the heart and spleen, treat spleen deficiency, diarrhea and swelling; Tonifying qi and blood; Calm the nerves and treat insomnia, forgetfulness and fright.