White spots on the stomach are common in the following diseases: 1, vitiligo, the cause of this disease is unclear, the treatment is also more difficult, can be applied externally 0.03% tacrolimus cream or tincture of compound kaliziran, can be outside the light of black light or 308 excimer laser. 2, consider ringworm, the clinical manifestations of the white spots can be seen on the basis of a small amount of dandruff, the fungal examination can be a positive anti-fungal treatment, such as the external use of naftifine ketoconazole cream or Terbinafine hydrochloride cream. 3, consider the anemia nevus or pigmentless nevus, generally no good treatment.