Mycoplasma infection cough sputum is usually white mucus sputum, combined with bacterial infection will appear yellow pus sputum. Early mycoplasma infection will appear dry cough symptoms, there will be a small amount of white mucus sputum, later aggravation of the disease will appear continuous violent cough, accompanied by chest pain, combined with bacterial infection will appear a large amount of yellow pus sputum. Mycoplasma infection is usually treated with macrolides, such as erythromycin and azithromycin. Mycoplasma infections in taking drugs must be under the guidance of a doctor, strictly in accordance with the doctor’s instructions to take, to avoid drug resistance, in addition to pay attention to drink more water, more rest, regular review.