There are individual differences in how many milliliters of milk powder a 35-day-old baby drinks each time, for the formula-fed usually about 100 to 150 ml per meal, breastfed babies need to be fed on demand. For 35-day-old baby, breastfeeding is usually recommended, such as breast milk can not meet its growth and development, may be appropriate to add formula milk for mixed feeding, so for this age group of babies specific how many milliliters of formula milk each time you need to combine the amount of breastfeeding and the baby’s gastrointestinal tract to tolerate and other factors to determine the baby, must be fed on demand. For babies who cannot be breastfed and are fed with formula milk, it is usually recommended that they be fed about 100~150ml per feeding, with adjustments made according to the baby’s needs and other factors. For mixed feeding babies, the amount of breastmilk fed cannot be specifically estimated, and the amount of formula milk is considered appropriate if the additional formula milk makes the baby gain weight well, urinate normally and sleep quietly. It is recommended to consult a specialist for guidance on feeding if necessary.