Patients can eat fungus after thyroid surgery: a. If the primary disease of the thyroid gland is benign, such as thyroid cyst, thyroid adenoma, or nodular goiter, patients can eat fungus in moderation after surgery. Wood ear is rich in iodine, which can replenish thyroid hormone levels and keep them within the normal range without causing serious complications. Second, if the patient’s primary disease is a malignant tumor, the entire thyroid gland needs to be removed. After the surgery, patients eat more fungus, which can help regulate immunity.