There is no effect of using Hui Xin Cao in water for Yin deficiency and exuberant fire. Yin deficiency fire is mainly a deficiency of yin qi, deficiency fire, and back to the heart of the grass, is a moss true moss family macrophyte moss genus warm ground macrophyte moss, from the Chinese medicine point of view, it has a nourishing heart and tranquilize the spirit of the efficacy of the heart, commonly used in palpitations of the heart (heartbeat is intense, alarming and disturbing), neurasthenia, heart disease, panic, and so on. There is no obvious effect for those who have a deficiency of Yin and fire. The patients need to be identified by traditional Chinese medicine according to the specific type of choice of different drugs to drink, such as gastric yin deficiency fire can use maitake, bamboo, etc. to drink; lung yin deficiency fire can choose rehmannia glutinosa, lily, etc. to drink; liver and kidney yin deficiency fire can choose goji berries, chrysanthemums to drink. Although the drug bubble drink has a certain effect, the cure also need to be decoction to play the effect of medicine. It is recommended that patients with yin deficiency seek medical attention in a timely manner, under the guidance of a TCM physician to identify the targeted treatment.