Coughing and coughing up pus sputum are the most common symptoms of the respiratory system. Treatment of thick sputum: First, considering the presence of inflammation in pus sputum, the most important thing is to give anti-infective treatment, that is, anti-inflammatory drugs. Common respiratory system with penicillins, cephalosporins, or quinolones, is levofloxacin, moxifloxacin, ciprofloxacin class of anti-inflammatory drugs. Second, with the expectorant drugs, such as drugs that can promote the discharge of phlegm, or decompose phlegm, dilute phlegm. The most common ones on the market are Ambroxol, Chenault, etc., which promote the decomposition and discharge of phlegm.