Children’s mycoplasma infection has been haunted after healing may be anxiety, re-infection or relapse of the disease and other reasons. 1. Anxiety: During the period of mycoplasma infection in children, due to the physical discomfort caused by the disease, there will be a certain amount of fear and uneasiness. Family members need to give children comfort and encouragement, and give correct guidance on disease-related knowledge to dispel bad emotions. 2. Reinfection or recurrence of the disease: After mycoplasma infection is cured, because the environment is not disinfected or the mycoplasma in the body has not been eliminated completely, it leads to re-infection and recurrence of the disease. Children with fever, cough, fatigue, headache, frequent urination, urinary urgency, urinary pain and other symptoms, there will be a constant disturbance. Mycoplasma infections in children may have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.