Chinese medicine practitioners believe that if excessive consumption of black tea, some of the yang qi or body heat patients may be on fire, daily moderate consumption of black tea generally does not lead to fire. Black tea is a kind of tea, in Chinese medicine and nutrition, it is generally believed that black tea is sweet in taste and warm in nature, and it has the efficacy of assisting in warming the middle and dispersing the cold (dispersing the cold by warming the spleen and stomach) and relieving pain. However, the daily consumption of black tea dose is limited to achieve the therapeutic effect, so the general black tea only as a common tea. Fire is a folk saying, which generally refers to the appearance of heat manifestations, such as sores on the corners of the mouth, yellow urine and other manifestations. Chinese medicine practitioners believe that taking too many hot medicines may lead to the emergence of heat syndrome, so excessive consumption of black tea may lead to the emergence of fire in some people with high yang qi. Symptoms of fire should be dealt with promptly, seeking medical attention if necessary, and choosing medication under the guidance of a doctor.