Whether punctate white spots need to be treated should be judged according to the cause of the disease, and the common causes include senile white spots, vitiligo, white furfura and so on. 1. Elderly white spots: it is a normal natural aging phenomenon of the skin, which will appear on the trunk, limbs, thighs and other parts of the body, and the face is rarely produced. Usually there will be round white spots, if it is old age white spots do not need to be treated. 2. Vitiligo: It is a disease in which the destruction of melanocytes leads to white patches on the skin, usually caused by autoimmune disorders, genetic factors and other factors. There will be white patches of symptoms, vitiligo needs to be treated, if not treated with the progress of the disease will gradually expand the white patches, the treatment is mainly to control the disease as the main purpose. 3. white chaff rash: refers to the scaly hypopigmented spots on the face, usually associated with malnutrition, vitamin deficiency and other factors. Usually no treatment is needed for pityriasis versicolor. Daily moisturizing of the skin, balanced nutrition and vitamin supplementation are necessary. The appearance of pitting white spots need to consult a doctor for a clear diagnosis. Treatment should be in accordance with medical advice.