Coughing is still coughing after two months, the main consideration is related to variant asthma, tuberculosis, chronic bronchitis or lung cancer. 1. Variable asthma: If patients have the problem of variable asthma, it is usually easy to cause the contraction of bronchial smooth muscle, or even spasm, which triggers persistent cough and other symptoms, and may be aggravated at a later stage. 2. Tuberculosis: For patients with tuberculosis, it is easy to produce long-term cough and other symptoms, often accompanied by fever and night sweats. 3. Chronic bronchitis: Chronic bronchitis is an inflammation of the respiratory system. Due to the stimulation of inflammation, it is easy to cause symptoms such as coughing and coughing up phlegm, which can last for more than two months. 4. Lung cancer: lung cancer belongs to malignant tumors of lungs, and the stimulation of tumors can easily affect the respiratory function, which will lead to long-term cough and other symptoms, and even accompanied by chest pain and other manifestations. If the cough lasts for a long time, for example, more than two months, it is necessary to go to respiratory medicine department as soon as possible to avoid delaying the condition. According to the cause of the disease, you need to follow the doctor’s instructions for treatment.