The steps to brew milk powder may seem simple, but there are various factors that need to be taken into consideration. Generally speaking the most appropriate step is to determine the concentration of milk powder first, then pour hot water, preferably adding milk powder for brewing. The first factor is the milk powder, because the nutrients in the milk powder are oxidized substances, it is very necessary to minimize the exposure time of the milk powder in the air. Secondly, the concentration of milk powder is very important to the baby’s body’s ability to withstand and nutritional needs. So when brewing milk powder, to ensure that the concentration of milk powder is suitable for the baby, and then pour the milk powder, pour water, brewing milk powder becomes a hammer, the concentration of milk powder can not be guaranteed, so that when brewing milk powder, the correct method should be to pour water first, and then put milk powder.