Bacterial infections are acute infections caused by pathogenic or conditionally pathogenic bacteria that invade the body to grow and multiply and produce toxins and other metabolites, and children are often characterized by high fever, and severe cases may induce meningitis, bronchopneumonia, or enteritis. 1, the first choice of drugs, you should choose antibiotics, such as cephalosporins or penicillin antibiotics can be, but in the use of the child must do skin test, because these two drugs are prone to allergic reactions caused by the child, 2, the symptomatic treatment, if the cause of the pneumonia, you need to stop coughing phlegm and asthma, if it is enteritis, you need to replenish fluids to correct the water and electrolyte disorders, and at the same time take probiotics! Maintain a normal intestinal microecological environment. Timely control of infection to prevent bacteria from entering the bloodstream to reproduce. If septicemia is formed and meningitis is induced, the condition will be aggravated and treatment will be very difficult. Therefore, prevention and early and sufficient application of antibiotics is the fundamental guarantee for curing bacterial infection.