Yes, no, according to the public health network, eating stewed pig's trotters before finger skin grafting has no effect. Pig's trotters are rich in collagen, which can promote epithelial cell repair and accelerate wound healing. Skin grafting is a plastic and cosmetic method, which is suitable for the treatment of large area scars. It needs to transplant the skin from the normal part of the body to the defective part, which is called skin transplantation.