Children arrived 7 to should begin or so months to grow a tooth, arrived commonly 10 months have 2 ～ 4 teeth. If arrived 10 ～ 12 months have not bud gives the first deciduous teeth, go out for deciduous teeth evening. Should consider at this moment whether because of children some kind of disease affected teething, be like rachitic, heavy degree of hidebound, slow-witted ailment, congenital I model etc. Accordingly we should furnish adequately in children teething all sorts of nutriment.