Patients with heart yin deficiency may consider taking medications such as Tianwang Xin Tonic Dan, Liu Wei Di Huang Wan, Zhi Bai Di Huang Wan, and Yuan Zhi Wan to regulate their condition. Heart yin deficiency is often caused by over-exertion, prolonged illness, or heartbreak after a fever. Patients with heart yin deficiency are prone to palpitations, insomnia, heartburn, excessive dreaming, dry mouth, dry throat, emaciation, heat in the hands and feet, hot flashes in the afternoon, night sweating, and a red tongue with little moss. Patients with heart yin deficiency can consider tonifying the heart and tranquilizing the mind, nourishing the yin and nourishing the blood to regulate, and usually pay attention to eat more food rich in high protein and eat more fresh vegetables and fruits.