Tianwang Xinxin Tonic Dan has not been found to have any definite harmful effects, it has the effect of tonifying the heart and tranquilizing the mind, nourishing Yin and nourishing Blood (nourishing the blood in the body). It works to tonify the heart and tranquilize the mind, nourish Yin and nourish Blood. It is often used in the treatment of palpitations (rapid heartbeat, often accompanied by panic) forgetfulness, heartburn and insomnia, dry stools, and waking up with dreams. The adverse reactions and contraindications of Tianwang Xinxin Tonic Dan have not been clarified. This drug should not be taken by patients with deficiency and cold conditions, and spicy and stimulating foods are not recommended during the period of taking the drug. Tianwang Xinxindan should be taken under the guidance of a physician, and if you are not feeling well, it is recommended that you go to the hospital in a timely manner.