The bulbous object on either side of the jaw is the submandibular gland. Normally, the patient will not be able to palpate the submandibular gland and it is a relatively soft gland. If the patient can touch the submandibular gland and it is relatively hard, it usually proves that there is some lesion in the body of the submandibular gland, mainly considering the production of tumors, or blockage or tuberculosis, especially tuberculosis of the submandibular gland is more common to have simultaneous attacks on both sides and can be felt as a more obvious bulbous protrusion. If there is a tumor, it is usually not symmetrical. If there is a blockage of the submandibular gland, it is usually on one side of the gland, and the patient cannot touch both sides of the gland. Since there are many hyperplastic lymph nodes next to the submandibular gland, whether the patient is touching the lymph nodes or the submandibular gland is subject to further diagnosis by the doctor.