What are the contraindications to the diet of behind-the-ear erythema? If you have red spot behind the ear, you should not only actively treat it, but also don’t forget the dietary taboos, remember the dietary taboos of red spot behind the ear, in order to regulate the condition and assist in the treatment of red spot behind the ear, in order to recover. The role of dietary contraindications for the recovery of post-auricular erythema is not negligible. 1, food diversity, to ensure balanced nutrition. Chicken, duck, fish, meat, grains, vegetables and fruits should be eaten. Each nutrient needs to be absorbed effectively by the body on the basis of balanced nutrition. 2, eat more iron-rich food to promote blood production. 3, eat more calcium-rich food, calcium to promote the absorption of iron. 4, eat foods rich in vitamin C, vitamin C to promote the absorption of minerals.