If the 9-month-old child cough is not serious, you can simply eat some cough medicine, such as licorice oral liquid, Eitan Jing, lung cough, do not drink water within half an hour after eating cough medicine, because cough medicine in the local throat also has a moisturizing effect of cough. If the cough is strong, you can do with a piece of nebulizer, nebulizer has anti-inflammatory, cough, asthma effect, the effect is also good. In the child’s cough during the diet is needed to control, seafood, puffing agent, additives, snacks, snack foods, fried, greasy, pungent, spicy food can not eat, eat light vegetarian, eat some seasonal vegetables, fruits, pay attention to rest. If the child is still drinking breastmilk during this period, the mother needs to avoid food with the child, also need to eat light, eat something well digested. If the cough is prolonged, and the effect of cough medicine and nebulizer treatment is not good, it is necessary to check the blood to see if there is any bacterial, mycoplasma and other infections, and then add appropriate anti-infective drugs.