Focal lymphocytic infiltration of the thyroid gland is a pathology report results, related to inflammation, tumor, etc. Focal lymphocytic infiltration of the thyroid gland to consider the possible existence of Hashimoto’s thyroiditis and other problems, can be combined with the thyroid function of the treatment, if the existence of hypothyroidism, consider the supplementation of thyroid hormone and other therapeutic methods, the specific treatment plan is recommended to consult with a professional doctor. Hashimoto’s thyroiditis is a chronic autoimmune inflammation of the thyroid gland, mainly manifested by a marked increase in thyroid peroxidase antibodies and thyroglobulin antibodies, and with the progression of the disease, it may gradually develop into hypothyroidism or subclinical hypothyroidism. If hypothyroidism is present, levothyroxine sodium tablets can be taken as prescribed. To determine whether the patient has thyroid abnormalities, thyroid hormone levels can be tested to determine whether the patient has thyroglobulin antibodies and thyroid peroxidase antibodies that are significantly elevated, and it is recommended that the patient consult the endocrinology department of a regular hospital.