How long it takes for a child with weak positive Mycoplasma pneumoniae to recover is not generalized, but varies according to the extent of the disease and the immunity of the child. Timely treatment is the only way to get well as soon as possible, the treatment includes drugs and general treatment. 1. General treatment: pay attention to rest, supplement nutrition, supplement enough energy, improve immunity. 2. Drug treatment: (1) Symptomatic treatment: Physical fever reduction can be used for fever, and antipyretic drugs, such as acetaminophen, can also be used. (2) Antibiotic treatment: the main drugs for treating Mycoplasma pneumonia are macrolide antibiotics, such as azithromycin, etc., which can be taken orally in mild cases, and can be considered to be given intravenously in severe cases. (3) Glucocorticosteroids: they can be used as appropriate according to the condition, and they can be used when the symptoms of infection are more serious, which can help control and relieve the symptoms, such as methylprednisolone. Children with weak positive Mycoplasma pneumoniae should be brought to the regular hospital in time to follow the doctor’s instructions for treatment, so as not to miss the opportunity for treatment. Do not self-medicate to prevent adverse effects.