Hypothyroidism is the reduction of thyroid hormones in the blood, check the low level of hormones, including T3, T4, free T3, free T4 are reduced, the whole person’s metabolism has also become slower, the patient manifested the following symptoms: 1, the patient’s brain thinking is relatively slow, the response to external matters is relatively wooden; 2, the patient is not easy to lose temper, easy to sleep that is drowsy; 3, the patient will also be afraid of cold, the skin will become rough If the condition is serious, the heart will have pericardial effusion leading to the entire skin roughness, edema and other symptoms; 5, some patients can have anemia and other symptoms, in short, the whole person metabolism are low, and even the number of stools will be less, constipation and other symptoms.