The reason why the clitoris is a bit itchy is the following: first, is the most common reason, may be women suffer from gynecological inflammation, common vaginitis, uterine inflammation, pelvic inflammation, etc., can directly or indirectly infect the clitoris, so that the clitoral area skin has abnormal substances exuded, that is, inflammatory secretion substances, which contain substances that stimulate the skin to produce itchy sensation. The second may be a mental factor, when women are sexually excited the level of sex hormones in the body will have a great change, the brain dopamine excitatory transmitter will rapidly increase, will indirectly prompt the clitoral vascular expansion, congestion, resulting in increased vascular permeability and leukotriene and other substances leaked out to the surface of the clitoral part, stimulating the local skin mucosa to produce itchy. The third may be caused by allergies, may not pay attention to personal hygiene, not often shower or change clothes, can make the clitoral part of the bacterial infection, bacterial allergies can also cause itchy clitoris.