During chemotherapy, patients who have indications for Brain Heart Relief Oral Liquid and do not have external fever can drink Brain Heart Relief Oral Liquid, and long-term use should be consulted with a medical professional. Cerebral heart Shu oral solution is a class of proprietary Chinese medicines, composed of honey ring fungus concentrate, royal jelly, with nourishing and strong, sedative and tranquilizing effect, can be used for the treatment of insomnia caused by deficiency, restlessness of the heart and mind, headache, neurasthenia, vertigo and other disorders. This drug should be used after meals, its adverse effects are not clear, patients with external fever are prohibited from using this drug. Chemotherapy patients with brain cardiovascular oral solution indications, not accompanied by external fever can generally use this drug. If the symptoms do not improve or worsen after one week of taking this drug, the patient should go to the hospital for consultation. If patients need to use this drug, should be under the guidance of a doctor, not unauthorized use of medication to ensure the safety of medication.