Xin Shen Ning Tablet has the efficacy of tranquilizing the heart and tranquilizing the mind, nourishing blood and removing vexation, and it is mainly used for treating the symptoms of deficiency of heart, liver and blood. It is composed of sour jujube nut, farzhi, poria, gardenia, six Shenqu and licorice, and is suitable for treating the symptoms of heart and liver blood deficiency, such as fatigue, decreased appetite, irritability and fright, insomnia and dreaminess. In the composition of heart Shenning Tablet, sour jujube kernel can nourish the heart and benefit the liver, tranquilize the spirit and astringent sweat; Yuan Zhi can tranquilize the spirit and benefit the intellect (stabilize the spirit and promote the intellectual development), expectorate and open up the mind; Poria can tranquilize the heart and strengthen the spleen; Gardenia is good at diarrhoeing the fire and removing the annoyance; Liushen Qu can eliminate the food and the stomach; Glycyrrhiza glabra can clear away heat and detoxify the toxin (clear away heat and toxin and evil qi in the body), and reconcile the nature of medicine. Adverse effects and contraindications of Xin Shen Ning Tablet are not clear. Avoid smoking, alcohol and spicy, greasy food, keep a light diet and a cheerful mood. Heart Shenning Tablets should be used under the guidance of a physician, and should not be used on its own to avoid adverse reactions.