The white spots on the face of children with ascariasis will generally disappear about 4 weeks after the condition is cured, and the exact time varies from person to person and cannot be generalized. Ascariasis is one of the most common parasitic diseases in children, which not only affects the immune function of the digestive tract, but also affects the health of the body. When children get roundworm disease, white spots of roundworms can appear on the skin, which is an allergic reaction to the skin or skin mucosa caused by the metabolites of roundworms. Once the diagnosis of white spots caused by roundworm infection is confirmed, the first step should be deworming treatment. After the parasites in the intestine are killed, the white spots will disappear gradually with the metabolism of the body, which usually takes about 4 weeks. In addition, it can be combined with the application of baby moisturizer to apply local white spots, which has the effect of eliminating white spots. In daily life, parents should pay attention to children’s dietary hygiene, and at the same time need to pay attention to strengthen nutrition. Next, vitamins should be supplemented, such as B vitamins, etc.