Swelling and pain in the big toe joint may be caused by gouty arthritis, trauma, osteophytes and other reasons. 1. Gouty arthritis: when suffering from gouty arthritis, the most important manifestations are redness, swelling, heat and pain in the big toe joints, and limitation of activities. 2. Trauma: when patients suffer from trauma resulting in local soft tissue contusion or fracture can also cause big toe joint pain. 3. Osteogenesis: Bone degeneration and osteophytes, which are mostly seen in middle-aged and elderly people, can also lead to the occurrence of pain in the bunion joint area of the foot, especially after weight-bearing activities, the pain will be significantly aggravated. There may be other causes of big toe joint swelling and pain, patients with big toe joint swelling and pain, it is recommended to consult a doctor in time to clarify the cause, so as not to aggravate the condition.