The presence of roundworms in a child’s stomach can be self-assessed by observing whether there is abdominal pain, nighttime discomfort, skin symptoms, dietary changes, abnormal growth and development, and whether the worms are found. 1. Abdominal pain: if the child usually often say that the stomach hurts, the pain part is located around the navel, when the stomach pain attack, can be relieved by rubbing and pressing, it means that there may be roundworms. 2. Nighttime discomfort: children with stomach worms sleep uneasily at night, fall asleep and wake up, and some small children will have the symptom of teeth grinding, and some small children appear drooling. 3. Skin symptoms: can be manifested as skin worm spots, the shape of the worm spots is similar to oval or round, the color is light white, there can be small scales, the worm spots appear in most parts of the children’s face, neck. The second symptom of the skin is recurring urticaria. 4. Dietary changes: the child appears to have a loss of appetite, partiality, xenophagy, such as eating paper, soil, thread, etc.. 5. Abnormal growth and development: the reason for abnormal growth and development is that the worms inside the stomach compete with the children themselves for nutrients, and abnormal growth and development is often manifested as anemia and malnutrition. 6. Discovery of worms: When the child sleeps at night, observe whether there are small worms around the child’s anus. Parents should pay more attention to whether the child has the above abnormalities, if there are abnormal symptoms, need to go to the regular hospital in time for targeted treatment, do not self-medication, so as not to affect the child’s health.