One and a half year old baby anorexia refuses to eat, if it is caused by improper feeding need to adjust the diet, if it is caused by zinc deficiency and other diseases need to supplement zinc and other treatment. 1. Improper feeding: If the baby is overfed, not hungry, or eating too many snacks, it will cause the baby to be anorexic and refuse to eat. At this time you need to adjust the diet, eat small meals, not too frequent feeding, control snacks, not too many snacks before meals. 2. Disease: If the baby lacks zinc, or indigestion, colds, gastroenteritis, etc., can affect the appetite, causing anorexia and refusal to eat. Need according to the specific cause of treatment, such as oral zinc gluconate zinc, oral and oral solution to promote digestion, under the guidance of the doctor to treat colds, gastroenteritis and other diseases. Therefore, if your baby is anorexic and refuses to eat, you should seek medical advice as soon as possible to identify the cause and treat the symptoms under the guidance of your doctor. The above medicines should be used under the guidance of a doctor.