The main ingredient of Xia Gu Cao Oral Liquid is Xia Gu Cao, which has the effect of clearing heat and fire (removing heat and fire evils from the body), subduing swellings and dispersing knots. It can be used for the treatment of headache, dizziness, scrofula (mainly refers to cervical lymph node tuberculosis), gall tumors (equivalent to thyroid tumors), canker sores and so on, which are caused by internal heat and fire. Precautions: forbidden for those who are allergic to Xia Gu Cao; not recommended for those with weak spleen and stomach, cold constitution; eat a light diet during the use of medication, avoid spicy, greasy food. It is recommended to use under the guidance of a doctor, do not self-administer.