The correct term for the upper part of the mouth is palate, and a lump on the palate may be the occurrence of fibroma, neurofibroma, etc., as follows. 1. Fibroma: Fibroma occurring in the palate is generally spherical or nodular, the tumor body is mainly composed of fibrous tissue, may be tipped or not tipped, its boundaries are clear, and the surface is covered with normal mucosa. 2. Neurofibroma: the tumor is soft in texture, rich in blood flow within the tumor body, but generally not compressible, there may be abnormal proliferation of connective tissue, and its adjacent bone tissue can cause deformity when it is invaded. There may be other reasons for the appearance of lumps in the palate, it is recommended to go to the hospital in a timely manner, after clarifying the cause of the disease for targeted treatment.