Cough caused by double lung infection may be caused by pneumonia, tuberculosis, etc., and can be treated with medication under the guidance of a doctor. 1. Pneumonia: mainly caused by pathogenic microorganisms, patients will have cough, cough sputum, chest pain and other symptoms. If the symptoms of cough and sputum are more serious, Ambroxol and Bromhexine can be used to relieve cough and resolve sputum. For bacterial infection, cefixime can be used to fight infection; for mycoplasma infection, azithromycin can be given to fight infection. For viral pneumonia, antiviral treatment such as ribavirin can be given. 2. Tuberculosis: a respiratory infectious disease caused by Mycobacterium tuberculosis infection that occurs in the lung tissues, trachea, bronchus and pleura, patients will have symptoms such as coughing, coughing up sputum, hemoptysis and so on, and need to carry out standardized anti-tuberculosis treatment under the guidance of doctors, and the commonly used medicines include isoniazid, rifampicin, pyrazinamide and so on. If the patient is infected in both lungs, it is recommended that the patient go to the hospital in a timely manner, under the diagnosis of the doctor, according to the patient’s specific condition, to take targeted treatment.