What’s far more colorful than the usual red tongue? An eggplant/purplish hue. While purple could possibly be a gorgeous color in other places in nature, say, over a flower, on a tongue, it’s a sign of a serious challenge with blood circulation.另外，笔者通过对该期刊的文章进行调研，发现该期刊收稿范围广泛，与中医