If there are white spots on the body, it should be considered that they are caused by a variety of diseases, generally common is three cases: 1, lichen planus: is a light white spot, it is common in the trunk position, especially in the summer more likely to attack, this situation is generally caused by fungal infection, so you can apply local antifungal drug treatment; 2, vitiligo: vitiligo is an acquired depigmentation disease, this situation is currently more The common treatment method is ultraviolet radiation, and some local medication method; 3, white spot disease: it is characterized by the appearance of multiple dotted white spots, most like the size of sesame grains, this situation is generally not too big problem, and does not require special treatment.