Salt consumption by infants may cause hazards such as partiality, damage to kidneys and respiratory infections. 1. Eating salt will aggravate the taste of infants, causing them to develop bad habits such as picky eating and partiality, which is not conducive to good health. 2. Damage to the kidneys: salt consumption by infants can easily aggravate the burden on the kidneys, because after infants eat salt, it needs to be discharged through the kidneys, and long-term consumption of salt may lead to abnormal renal function, or even nephritis or nephropathy. 3. Respiratory infections: infants eating salt easily affects the immune function of the respiratory tract, leading to weak resistance in infants, germs will be adsorbed on the respiratory system, so that infants have recurrent respiratory infections. Generally there is no need to add salt and other flavorings in supplemental food for infants.