A month the baby is always not enough to consider is not enough milk or the baby is too dependent on the nipple and so on due to the need to find the cause, targeted elimination of triggering factors. 1. insufficient breastfeeding: due to a month of the baby due to relatively rapid growth and development, the amount of milk requirements are relatively more, if the breastfeeding mother milk is not enough or formula feeding the baby intake of milk powder is not enough, may lead to the baby appeared the above symptoms. 2. The baby is too dependent on the nipple: Because the baby is more sensitive to the external environment and lacks a sense of security, the baby usually sucks the nipple for a long time to find a sense of security, and develops the habit of often containing the nipple, which shows the illusion of not having enough to eat. Mothers are advised to soothe their babies more and help them to quit the bad habit. When taking care of a one-month-old baby, you should pay more attention to observation, including the feeding situation, mental state and defecation, etc., and consult the doctor for symptomatic adjustment or treatment if any abnormality is found.