Five or six months of the baby’s weight is not long may be a normal physiological response, may also be the emergence of indigestion, can be dietary modification or drug treatment. 1. Physiological reaction, five or six months baby weight is not long may be this stage of the baby is in the anorexia period, intake of nutrients less, may appear weight not long symptoms, this situation is generally more normal. Usually can be appropriate to add supplemental food, increase the baby’s body nutrition. 2. medication, if the baby is indigestion, you can use medication under the guidance of a doctor, such as giving the baby to take probiotics (such as bacillus subtilis bacillus granules) and other drugs, can promote digestion and absorption. It is best not to give your baby spicy and stimulating food, and keep a light diet. If other uncomfortable symptoms occur, it is recommended to consult a doctor.