Black dates have the effects of nourishing the spleen and stomach, nourishing yin and blood, and replenishing qi and strengthening the spirit. Because of its thick taste and black color, it has a strong effect on the liver and kidneys, nourishing the liver and kidneys. Old ginger is warm in nature, can warm the lungs, eliminate phlegm, warm up and stop vomiting. Decoction of black dates and ginger together to replace tea is suitable for people with poor spleen and stomach and cold hands and feet. "