Coughing up white phlegm may be caused by cold or dampness in the lungs, and can be relieved by choosing Chinese medicine such as San Zi Nourishing Relatives Soup or Er Chen Pills under the guidance of a Chinese medicine practitioner. 1. If the cough and white phlegm are caused by cold and lungs are out of circulation, San Zi Yang Kin Tang can be taken orally to alleviate the symptoms, which has the effect of warming the lungs and resolving the phlegm, lowering the qi and eliminating the food, and it is effective for the symptoms of phlegm congested in the lungs after feeling the cold and cough and wheezing, chest congestion, and difficulty in eliminating the food, etc. The adverse effects and contraindications of this product are not known. The adverse reactions and contraindications of this product are not clear. 2. If the cough is caused by the prevalence of dampness in the spleen, with a lot of white phlegm, it can be relieved by Er Chen Tang, which has the efficacy of drying dampness and resolving phlegm (removing phlegm in the body with dampness-drying medicines), regulating qi and neutralizing the middle (regulating the qi of the spleen and stomach, so as to make the functions of the spleen and stomach smooth), and it can treat cough with a lot of sputum due to dampness-phlegm, white color and easy to cluck, nausea and vomiting, plagued and stuffy in the chest and diaphragm, or dizziness and palpitations (rapid heartbeat, often accompanied with heart panic). Since Er Chen Tang is dry in nature, it should be used with caution for those who have dry phlegm; it is also contraindicated for those who have vomited blood, consumed thirst, or have yin or blood deficiency. The above drugs are effective in treating cough with white phlegm. Clinical use of drugs need to be careful, please go to the regular hospital in a timely manner to avoid delay.