If you have a sliding bump on your cheek, you have to determine what is causing it and then treat it according to the cause. The first cause is often a lack of understanding of the anatomy here. This sliding lump is a chewing muscle that becomes a smooth lump when you clench your teeth, it is already a normal anatomical structure and does not need to be treated. The second cause is lymph nodes. Generally speaking, lymph nodes are located under the jawbone and will swell when the body is attacked by inflammation, and you can feel the pressure pain when you press them with your hand and they are active. Active lymph nodes are benign. As long as the lymph nodes are not persistently enlarged, you can ignore them. The third cause is lipoma, which is a benign tumor with a single occurrence and sliding nature when touched. If the lipoma does not affect the appearance and there are no symptoms, it can be temporarily observed without treatment, but if it becomes larger, it needs to be removed surgically.