Lying down with a strong cough may be caused by chronic bronchitis, chronic pharyngitis, bronchial asthma and other reasons, can follow the doctor’s instructions for drug treatment, surgical treatment. 1. Chronic bronchitis: chronic bronchitis is usually caused by long-term smoking, repeated infections, etc., lying down may lead to airway secretions are not easy to discharge, stimulate the airway mucosa caused by coughing, resulting in coughing symptoms lying down. It can be treated with drugs such as Ambroxol hydrochloride oral solution and dextromethorphan tablets as prescribed by the doctor, and the disease generally does not require surgical treatment. 2. Chronic pharyngolaryngitis: chronic pharyngolaryngolaryngitis may be caused by long-term tobacco and alcohol overdose, allergy, vitamin deficiency, etc. When the patient lies down, it will relax the throat, and when the pharyngeal cavity is clogged with secretion, the symptoms of coughing will appear. Compound borax solution and other drugs can be used for treatment as prescribed by the doctor, and the disease generally does not require surgical treatment. 3. Bronchial asthma: Bronchial asthma is generally caused by airway hyperresponsiveness, allergies and other reasons, with nighttime coughing as the main cause. It can be treated with drugs such as montelukast tablets and budesonide formoterol powder inhaler as prescribed by the doctor, and surgical treatment such as bronchial thermoplasty can be performed as prescribed by the doctor if necessary. Lying down with a strong cough can also be caused by other reasons, such as gastroesophageal reflux irritation, sinusitis, heart failure and pulmonary stasis, etc. If the symptoms continue to be unrelieved or aggravated, it is recommended to consult a doctor in a timely manner, to clarify the cause, and comply with the doctor’s instructions for treatment.