Pain and pressure in the submandibular gland are typical symptoms of submandibular adenitis, which is a retrograde inflammation of the submandibular gland due to obstruction and narrowing of the ducts. The main clinical manifestations are pain and pressure in the submandibular gland and purulent discharge from the ducts. The incidence of this disease is high in adults, and most of them have chronic manifestations. So, how to examine the submandibular gland for pain and painful pressure? The following is a brief explanation. Local examination Submandibular gland inflammation is mostly chronic, but can also be acute. In acute submandibular adenitis, the floor of the affected side of the mouth is swollen and painful, and sometimes there may be spasm of the duct due to the stone embedded in the wall of the duct, resulting in severe pain and inconvenience in swallowing due to pain. The skin of the lower jaw is red, swollen and painful, and the submandibular triangle is poorly defined. The mouth of the submandibular gland duct is red, and pus is seen to flow from the mouth of the duct when the submandibular gland is squeezed. In chronic submandibular adenitis, the history is long, ranging from months to years, and there may be recurrent acute attacks. The patient feels that there is a secret substance coming out of the duct. The swelling and pain increase when food is seen or eaten, especially when acidic food is eaten, and the patient may sometimes be asked to take vitamin C to check whether the duct is completely blocked. Submandibular gland after a long period of repeated acute attacks. It is no longer enlarged by feeding. During clinical examination of the submandibular area, an enlarged submandibular gland can be found in the submandibular triangle, which is slightly hard and painful to pressure.