The white stuff on the baby’s mouth skin may be the following two kinds: 1, because of vitamin deficiency leading to the occurrence of lip inflammation. The white stuff at this time is the shedding of lip mucosa, you can eat more fruit, supplement a lot of vitamin C, vitamin B2, can help protect the lip mucosa. 2, Candida albicans infection. The main problem is that it is not easy to get a fungal infection because the body’s immune system is not fully formed. Wipe will fall off.