Cough Symphony is a cough suppressant and asthma medication. It is a trade name and a generic name, and is available in the form of an oral liquid. According to the product specification, the main ingredients of the oral solution include ephedra, almonds, Platycodonopsis, Hypericum, licorice, etc., which have the effect of promoting lung qi, relieving cough and asthma, and are suitable for people with prolonged cough and phlegm asthma, and have a better effect on coughing, sputum with yellow color, and wheezing and chest tightness. However, due to ephedra and other components of the drug is not suitable for pregnant women, lactating women to take, the spleen and stomach cold and diarrhea, the elderly and infirm people need to be careful to take this drug. Cough and asthma oral solution should be taken under the scientific guidance of a doctor, not blindly self-service, avoid smoking, alcohol and spicy, cold, greasy food, and avoid taking tonic Chinese medicine.