Diffuse echogenicity of the thyroid gland refers to the uneven distribution of thyroid follicular epithelial cells in the body, which may be due to the mutation of various intracellular components. It is often seen in goiter or thyroid cancer, and the individual should be examined in a timely manner in the hospital, and pathologic puncture biopsy is required if necessary. If the goiter remains unhealed for a long period of time, it may lead to cancerous transformation of the cells, and relevant laboratory tests should be performed. It is recommended to further investigate the thyroid function, as well as the thyroid peroxidase antibody and thyroglobulin antibody, as long as the thyroid function is normal, generally do not need to deal with dynamic observation can be.