Dry, itchy throat and yellowish-green sputum may be caused by pharyngitis, lung infection, etc., which can be treated with localized treatment and anti-infective treatment, respectively. The more common cause of dry, itchy cough with yellowish-green sputum is lung infection caused by bacteria. Chest X-ray, sputum culture and other tests should be carried out in a timely manner to clarify the cause of the disease and then carry out symptomatic treatment such as aminoglutethimide to reduce sputum, as well as antibiotics such as penicillin to carry out treatment. In addition, it may be caused by pharyngitis, especially acute pharyngitis. It can irritate the mucous membrane of the throat, causing an increase in secretions, which cannot be coughed up in time and gather in the throat, resulting in yellowish-green sputum. Compound boric acid solution can be used to gargle, generally can be controlled. 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 worsen, it is necessary to consult a regular hospital in a timely manner, and cooperate with the doctor to improve the examination and standardized treatment.