The symptoms and solutions of anorexia period can be categorized and described by causes. Physiological anorexia is manifested as a sudden resistance to breastfeeding due to inattention and loss of appetite in infants who are normally fed with milk, but as long as the infant’s growth and mental status are normal during the anorexia period, the appetite can be restored naturally in about one month. In addition to anorexia, pathological anorexia is accompanied by easy crying, restless sleep, even vomiting, diarrhea, fever and other manifestations, and the infant’s food intake suddenly decreases significantly, so it is necessary to seek medical treatment for the cause: 1. If the infant is around 6 months old, supplemental food can be added in appropriate amounts, which is rich in flavor and can increase appetite; 3. It may be because the hole of the pacifier is too small and the infant does not suck well, cannot drip out or drips too fast, the infant will feel uncomfortable and needs to be adjusted to a range that the infant can accept. Pathological aversion to milk: 1. Acute pharyngitis: Parents can feed the child water to help eliminate secretions or nebulize glucocorticoids such as hydrocortisone and prednisone to dissolve sputum. If there is a fever, the child can also be given cefazolin sodium, cefuroxime oral strictly in accordance with medical advice; 2, thrush: use sodium bicarbonate solution to clean the inside and outside of the child’s mouth before and after breastfeeding, or oral intestinal microecological preparations to inhibit the growth of fungi, the disease process can be properly supplemented with vitamin B2 and vitamin C; 3, acute gastroenteritis: commonly used intestinal mucosal protective agents, microbial preparations, montelukast, etc., accompanied by nausea, vomiting children can be used. Children with nausea and vomiting can use gastrointestinal motility drugs such as domperidone, abdominal pain can be prescribed with magnesium sulfate, atropine, etc. to relieve smooth muscle spasm, pay attention to hydration to avoid dehydration.