Itchy throat, cough and white sputum need to be treated with compound boric acid solution, penicillin, ambroxol and loratadine according to the different etiologies of pharyngitis, pneumonia, chronic lung disease and allergy. 1. Pharyngitis, which is a common disease causing similar symptoms, can be treated with local gargling using compound boric acid solution to improve the symptoms. 2. Pneumonia, lung infections can cause itchy throat, cough with white sputum, generally use broad-spectrum antibiotics such as penicillin to control the infection. 3. Chronic lung diseases, such as chronic bronchitis and chronic obstructive pulmonary disease (COPD), can be treated with Ambroxol to resolve phlegm. 4. Allergies, which can also produce similar symptoms, are often treated with antihistamines such as loratadine. The specific cause of the disease should be clarified after medical examination, and the treatment should be carried out according to the doctor’s instructions.