Symptoms of anorexia at 6 months include poor sleep quality, refusal to drink milk, loss of appetite, etc. Parents can change the way of breastfeeding, add supplemental food appropriately, and follow the doctor’s advice to improve the medication. Anorexia is a common phenomenon in the process of infant growth and development, mainly divided into physiological anorexia, pathological anorexia. For 6-month-old babies with physiological anorexia, the main symptoms include poor sleep quality, refusal to drink milk, no weight gain, and usually no other serious symptoms. For children with pathological anorexia, the main symptoms include decreased appetite, shortness of breath, vomiting, diarrhea, and depression. Usually, babies with physiological anorexia can be improved by changing the way of breastfeeding, adding complementary foods and ensuring a quiet environment for breastfeeding, etc. Parents should also avoid changing the brand of milk powder frequently. If the anorexia is caused by bacterial infection, it can be treated with antibiotics such as penicillin and cefixime as prescribed by the doctor, and ibuprofen, acetaminophen and other antipyretic drugs can be used to reduce the fever of the person who has a high body temperature. Usually the physiological anorexia lasts about 1 month can be improved, if it is clear that the pathology of anorexia, should follow the doctor’s prescription medication, do not use the drug indiscriminately.