A sluggish expression is one of the symptoms of hypothyroidism. The full name of hypothyroidism is hypothyroidism, which means that the thyroid gland cannot produce enough thyroid hormone to meet the normal needs of the body due to various reasons. The symptoms of hypothyroidism include fear of cold, decreased sweating, dry skin, sluggish expression, slowed heart rate, loss of appetite, dry stools, and fatigue. The prevalence of sluggish clinical expression is about 1%, more common in women than men, and increases with age. In severe cases, mucus edema can be caused, and in more severe cases, mucus edema coma can be caused. Measures to prevent sluggish expression: 1. In daily life, parents should pay special attention to children with colds and other conditions. Actively treat related diseases, such as sinusitis. Especially during the period of 2-10 years old, children should improve prevention, such as trying to avoid children with long-term colds, runny nose, nasal congestion, coughing, rubbing nose, rubbing eyes, sneezing and other symptoms, if also accompanied by poor hearing, obvious snoring and other symptoms, then they should go to the hospital for diagnosis and treatment. 2, Prevention of adenoid hypertrophy should pay attention to nutritional balance and eat more fresh vegetables and fruits. 3, prevention of adenoid hypertrophy, to avoid excessive exposure of children to mold. Mold allergy is a serious problem for children who live in hot and humid climates. Therefore, parents should pay attention to avoid or reduce the exposure of children suffering from allergic rhinitis to mold allergens, for example, do not let children lie on the carpet to watch TV or play, because there is a lot of mold between the carpet and the concrete floor; attention should also be paid to reducing the humidity in the room to help reduce mold growth. 4, take more children to increase outdoor activities, participate in sports activities, pay attention to strengthen physical exercise, enhance physical fitness, to avoid colds.