Coughing up phlegm in the throat from a cold can be caused by thick phlegm or chronic pharyngitis. If it is caused by colds, the main consideration is that the phlegm is more viscous, especially when it reaches the throat area, the more viscous phlegm can be attached to the trachea, resulting in coughing up the self-consciousness can not be coughed up, or can not be completely coughed up, need to dilute phlegm treatment in a timely manner, the use of acetylcysteine effervescent tablets, and so on. In addition, it may also be caused by chronic pharyngitis, foreign body sensation in the throat, coughing and swallowing, is a typical manifestation of chronic pharyngitis, you need to use the compound boric acid solution gargle and other treatments in a timely manner, to control the progress of the disease. The above drugs need to be standardized and rationally applied under the guidance of professional physicians and pharmacists. If the symptoms fail to improve or even gradually aggravate, you need to consult a regular hospital in a timely manner, and cooperate with the doctor to improve the examination and standardized treatment.