Phlegm-heat cough is a symptom of phlegm-heat in the lungs due to a loss of lung circulation and purification, and a violation of the trachea and bronchi. Chinese herbal medicines such as Pu Di Lan Anti-inflammatory Oral Liquid and Ma Heng Cough can be used for treatment. Phlegm-heat cough is a common clinical manifestation of respiratory diseases, accompanied by coughing and phlegm, thick yellow phlegm, phlegm that cannot be easily coughed out, turbid nasal discharge, nasal congestion, sore throat, hoarseness, and thin yellow tongue coating. Coughing removes foreign bodies as well as secretions and exudates from the respiratory tract and throat area, which is a beneficial, protective reflex. For the treatment of phlegm-heat cough, you need to choose effective drugs with few side effects for expectorant cough and clearing heat and purging the lungs. You can use Qing Jin Hua Phlegm Tang and Chuan Bei Loquat Paste to clear heat and moisten the lungs and dissolve phlegm, and you can also use Pu Di Lan Anti-inflammatory Oral Liquid and other drugs to clear heat and detoxify the lungs. You can also treat and regulate phlegm-heat cough through food, such as steamed honey pears, steamed peppery pears, and stewed mushrooms with pear juice. In short, the treatment of phlegm-heat cough is based on clearing heat and resolving phlegm, which can be treated with Chinese herbal medicines such as Pu Di Lan Oral Liquid and can be regulated with cold foods such as yam, winter melon, lotus leaves and bamboo leaves. Patients should pay attention not to eat spicy food, not to eat greasy and fried food, and eat some fresh vegetables and fruits, such as apples and oranges, to replenish vitamins and minerals.