Lumps on the left side of the Adam’s apple are commonly caused by the following reasons: goiter, enlarged lymph nodes, and sebaceous cysts. 1. Thyroid gland swelling: the thyroid gland is located in the front of the neck, if there is a swelling on the thyroid gland, including thyroid adenoma, thyroid cancer, thyroid cysts and other diseases, the swelling on the left side of the throat nodes may appear. 2. Enlarged lymph nodes: there are lymph nodes on the left side of the laryngeal node, if the lymph nodes have diseases, such as lymphadenitis, lymph node metastasis, etc., the lymph nodes will be enlarged, which will be manifested as swelling on the left side of the laryngeal node. 3. Sebaceous cysts: there are sebaceous glands on the left side of the laryngeal nodes, if the sebaceous glands are blocked, sebaceous cysts will be formed, which will be manifested as localized swelling. It is recommended that the patient go to the hospital, can improve the ultrasound and other tests, usually can be clearly diagnosed, and then can carry out the corresponding treatment.