Apple water has no obvious cough suppressing effect, when suffering from cough or other respiratory diseases, you can drink apple water to supplement nutrients and vitamin C. Coughing and coughing phlegm can be seen in the upper respiratory tract infections, pneumonia, tuberculosis and other diseases, it is recommended that the cause of the treatment, and at the same time, can be used through the use of licorice tablets, aminoglutethimide, and other medicines to stop coughing and resolving phlegm. 1. Coughing is a protective mechanism of the human body, when the respiratory tract is stimulated by germs, foreign bodies, etc., it will be through coughing to expel these stimuli out of the respiratory tract. Cough in pathological conditions can be relieved by taking medicines, such as compound licorice tablets, etc. Please take medicines under the guidance of a physician. 2. Phlegm is the liquid secreted by the respiratory tract when it is irritated. Phlegm is usually treated with phlegm-cleansing medicines, mainly to make the phlegm easy to be discharged. The main purpose is to make the phlegm easy to be discharged. You can take drugs such as Ambroxol Hydrochloride and Acetylcysteine orally, or inhale the phlegm removing drugs directly into the airway through nebulization therapy, which is fast and effective. Coughing and coughing sputum, we recommend that you consult a doctor in a timely manner to determine the cause of the cough and assess the condition, and then follow the doctor’s instructions to treat the cause of the cough and sputum, and all of the above medications should be used under the guidance of a doctor.