Diffuse thyroid lesions may be associated with nodular goiter, Hashimoto’s thyroiditis, thyroid cancer and other diseases. Different diseases have different precautions, Hashimoto’s thyroiditis needs to pay attention to the presence of hypothyroidism, thyroid cancer needs to pay attention to timely surgical treatment, etc. It is recommended to consult a doctor. Diffuse thyroid lesion is a kind of pathological change observed under color ultrasound of the thyroid gland, which is usually related to nodular goiter, Hashimoto’s thyroiditis, thyroid cancer and other diseases. Nodular goiter needs to be noted whether it is accompanied by thyroid function abnormality, with hyperthyroidism needs to be treated with antithyroid drugs, such as propylthiouracil, etc., and with hypothyroidism needs to be treated with levothyroxine sodium tablets. In addition, it is necessary to pay attention to the development of compression symptoms. Hashimoto’s thyroiditis may cause hypothyroidism, so you need to pay attention to the symptoms of hypothyroidism, once found with hypothyroidism need to be treated with levothyroxine sodium tablets. Moreover, patients with hypothyroidism should pay attention to avoiding high-fat diet, so as not to cause blood lipid elevation. Patients with thyroid cancer need to pay attention to timely surgical treatment, if necessary, combined with radiotherapy, chemotherapy and other treatment methods, early intervention treatment has a better prognosis. Patients with diffuse thyroid lesions should go to the hospital and ask the doctor to make a judgment.