Whooping Cough Syrup is used to treat whooping cough by relieving cough, calming wheezing and resolving phlegm. Whooping Cough Syrup is composed of Shortland Tea, Honeysuckle, Loquat Leaf, Platycodonis, Almonds, etc. It has the efficacy of relieving cough and asthma (stopping coughing and calming wheezing), moistening the lungs and resolving phlegm. In the formula, Honeysuckle can clear away heat and detoxify the toxin (to remove heat and toxicity in the body), evacuate wind-heat; Dwarf Earth Tea can suppress cough and expectorate, calm asthma and inhibit bacteria; Loquat Leaf can clear the lung and relieve cough, lower the rebelliousness and harmonize the stomach; Pericarpium Citriodermis can rationalize the qi and neutralize the middle (to regulate the qi in the spleen and stomach to make the function of the spleen and stomach smooth), dry the dampness and resolve the phlegm (to use the medicine of drying the dampness to dispel phlegm evils in the body); Almonds can relieve cough and calm asthma, and moisten and relax the bowels; Platycodon Grandiflorus can promote lungs to relieve cough and dispel phlegm to expel pus. Adverse reactions and contraindications of Whooping Cough Syrup are not clear, it is recommended that patients use the drug under the guidance of a doctor, do not take the drug on their own, so as not to delay the condition.