Black beans have the functions of activating blood, inducing diuresis, dispelling wind, clearing heat and removing toxins, nourishing and strengthening blood, and replenishing deficiency and hair. Jujubes have the function of tonifying deficiency and benefiting qi, nourishing blood and tranquilizing the mind, strengthening the spleen and stomach, etc. It is a good health care nutrient for patients with weak spleen and stomach, insufficient qi and blood, tiredness and weakness, and insomnia and dreaminess. It can replenish yin and benefit blood, remove vexation and tranquilize the mind, replenish the spleen and stomach.