If a patient has acute bronchitis with symptoms such as coughing and coughing yellow mucous sputum, he can be treated with Jin Zhen Oral Liquid, which has the effect of clearing the lung and resolving phlegm, clearing heat and detoxifying toxins. Jin Zhen Oral Liquid is usually taken when there is cough, yellow mucous sputum, sticky sputum that cannot be easily coughed out, accompanied by high chest and distension, wheezing and coarse breath, yellow urine, dry stools, and a red tongue with a yellowish coating. If the patient has been in the phlegm-heat congestion syndrome type, he can apply Jin Zhen Oral Liquid for 10 days. If the patient experiences worsening of symptoms or no improvement during the course of oral medication, Jin Zhen Oral Liquid needs to be discontinued at any time if it has been 3 days or if the symptoms continue to worsen. If patients experience adverse reactions such as stomach and epigastric discomfort, abdominal pain, diarrhea, nausea, and urge to vomit during the course of taking the drug, patients with spleen and stomach on the cold side can reduce the dosage of the treatment. If necessary, patients can take it up to 10 days, but they need to follow up according to their own symptoms or under the guidance of a doctor to avoid using the medicine for too long at will.