Pain in the big toe is due to several causes: first, the more common one is a bunion deformity, when a bunion deformity is created, a significant bone growth is created in the location of the big toe. Due to the change in the line of force, this can lead to pain during daily walking. Second, the cause of bigfoot pain may also be rheumatic and rheumatoid diseases. When rheumatic and rheumatoid diseases attack the joints, it can lead to pain in the big foot bone. Finally, the more common cause of pain in the big foot bone is also gout disease. Since the density of blood uric acid is relatively large in gout, it tends to precipitate to the lower extremities and is particularly likely to cause pain in the big foot bone area. Especially at the onset, this usually manifests as pain and swelling in the area of the big foot bone.