The rate of exclusive breast feeding(EBF),partial breast feeding(PBF),bottle feeding(BF) of infant under 4 month was 50 6%,48 2% and 1 2%,respectively.

• 婴儿 4个月内的纯母乳喂养率、混合喂养率、人工喂养率分别为 5 0 6%25、 48 2%25和 1 2%25 ;