The baby is eight months old, not long may be improper feeding, growth hormone secretion or indigestion and so on, need to adjust the diet, improve the lifestyle or the use of drugs, etc. for treatment. 1. Improper feeding: such as eating too little, a single diet, resulting in the lack of nutrients in the baby’s body, especially calcium, vitamin D, which may lead to the baby eight months does not grow, you need to adjust the diet, to ensure that the nutrition is comprehensive and balanced, if necessary, you can comply with the doctor’s advice to supplement calcium, vitamin D and other treatments, and usually more sunshine, and so on. 2. Insufficient growth hormone secretion: mostly associated with abnormal pituitary development, chromosomal inheritance and other reasons, such cases need to be under the guidance of a doctor to give the baby injections of growth hormone to promote growth. 3. indigestion: due to intestinal flora disorders and other factors cause indigestion, may also lead to the baby eight months not long. Need to give the baby small meals, drink more water, can follow the doctor’s instructions to eat bifidobacterium triple live bacteria and other treatments. It is recommended that once the parents found the baby eight months did not grow after the baby to take the baby to the doctor in time to improve the relevant examination, clear reasons for standardized treatment, the drug may cause certain side symptoms, should be used under the guidance of the doctor, do not blindly use the drug.