Gum recession does not work by taking vitamin C. Gum recession may need to be controlled and fixed by periodontal treatment, changing the way of brushing teeth or surgery. Gum recession is mostly caused by plaque, calculus and other stimuli around the gums, this need to do periodontal treatment, plaque and calculus cleaned out, can control the gums as far as possible no longer shrinkage. Due to improper brushing, horizontal brushing may damage the gums and lead to gum recession, it is generally recommended to change the way of brushing, use the pasteurized brushing method and other ways of brushing. Serious gum recession can be surgically treated by tunneling over the gums to fill them and achieve the effect of elevating them.