Feeling bloated under the tongue may be due to submandibular gland stones, salivary gland mucous cysts, salivary gland swellings etc. 1. Stones in submandibular gland: The submandibular and sublingual glands are located under the tongue. Salivary gland stones are commonly found in the submandibular gland. Clinical manifestations include enlargement, swelling and pain in the gland, especially when eating. 2. Mucous cysts of salivary glands: Mucous cysts of salivary glands are commonly found in the sublingual gland. It may feel swollen under the tongue, and larger cysts may lift the tongue. 3. Salivary gland swellings: Salivary gland swellings may also feel swollen under the tongue. Sublingual swelling may also have other pathological factors, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.