If the excessive phlegm is caused by kidney yang deficiency, Gui Fu Di Huang Wan can be taken. However, if the phlegm is caused by spleen yang deficiency or lung qi deficiency, it is not recommended to take Gui Fu Di Huang Wan, as it may aggravate the condition with the wrong medicine. Gui Fu Di Huang Wan is mainly composed of cinnamon, epimedium, ripened dihuang, mudanpi, etc. It has the efficacy of warming and tonifying the kidney yang and is mostly used for the symptoms of kidney yang deficiency, dysuria, coldness of the limbs, and phlegm (a pathological product of impaired metabolism of fluids), such as wheezing and coughing. Therefore, if excessive phlegm is caused by kidney yang deficiency, Gui Fu Di Huang Wan can be taken. However, if the phlegm is caused by spleen-yang deficiency or lung-qi deficiency, it is generally not recommended to take Gui Fu Di Huang Wan, so as to avoid the medication being incorrect and adversely affecting the body. For phlegm caused by spleen yang deficiency, Chinese medicines such as Lizhong Pill and Radix Rehmanniae Pill can be chosen, while for phlegm caused by lung qi deficiency, Chinese medicines such as Lung Tonic Pill and Yupingfeng Pellet can be chosen for treatment. Pregnant women, children, old and weak people taking Gui Fu Di Huang Wan should be taken under the guidance of a physician; the need to abstain from sexual intercourse during the medication; avoid cold and indigestible food during the medication; Yin deficiency and internal heaters should not take this medicine. The above medication should be taken in accordance with the doctor’s instructions, if the symptoms of phlegm can not be relieved, it is recommended to go to the hospital for examination in a timely manner. Do not use drugs privately, so as not to cause damage to the organism.