Belly button on the ginger itch mainly due to the ginger is a stimulating effect, stimulating the skin around the belly button, in fact, this is a very normal reaction, the ginger paste on the belly button is actually an ineffective method, there is no therapeutic effect, but also no clinical significance. The acupuncture points around the navel, itself is the skin is very delicate, ginger is a spicy product, stimulating the skin after the skin allergies. If you put it aside for a longer time, the place will be red, and after a longer time the place will blister, so it is not recommended to put ginger on the navel, there is no point, the role of ginger absorbed by the digestive tract, just on the skin does not play any therapeutic effect.