Tangerine shellfish and lung Ning oral solution, cough and phlegm effect which is better, can not be generalized, the two drugs in different patients in the body, the efficacy of the play is different, the therapeutic effect is not necessarily. The combination of tangerine and shellfish has the effect of moistening the lung and relieving cough, which mainly contains almonds, zhebeimu, loquat leaves, scutellaria, maitake, licorice, platycodon, and other ingredients. Platycodonopsis Combination is suitable for symptoms such as lung-heat cough, fever, yellow and sticky sputum, sore throat and coughing up sputum. Lung Ning Oral Liquid has the effect of clearing heat and expectorant, relieving cough and calming asthma (stopping cough and calming wheezing), and its main ingredient is Rehmannia. Lung Ning Oral Liquid is suitable for acute exacerbation of chronic bronchitis with phlegm-heat cough and asthma evidence. Evidence of cough, wheezing, coughing up phlegm, yellow and thick phlegm, thirst and drink. The adverse reactions of the above drugs are not clear. Avoid smoking, alcohol and spicy, cold and greasy food. It is not advisable to take tonic Chinese medicine at the same time during the medication. Allergic to the drug is prohibited, allergic to people with caution. In conclusion, if you have a cough with a lot of phlegm, consult a doctor in time to find out the cause of the disease and standardize the treatment. It is not advisable to self-medicate, so as not to delay the condition.