The most common causes of hidden pain in the big toe are trauma, onychomycosis, gout, corns, bone spurs, etc. If the patient’s symptoms persist, it is recommended to seek medical attention in time. 1. Trauma: If the patient’s big toe suffers from impact, it is easy to cause local soft tissue injury, and in serious cases, fracture may also occur, all of which will cause pain in the patient’s big toe. 2. Nail groove inflammation: when the nail groove and its nearby tissues are injured and caused by Staphylococcus aureus infection, it may cause redness, swelling and pain in the nail. 3. Gout: Gout patients with poorly controlled uric acid levels are prone to forming gout stones in the big toe, which in turn causes hidden pain in the big toe. 4. corns: the skin at the big toe is subject to long-term extrusion or friction, easy to form local skin thickening, but also easy to accompany the headache. 5. Bone spurs: the human body’s bones will occur with age degenerative changes, easy to form bone spurs, stimulate the soft tissue around the big toe will cause pain. Causes of big toe pain is more causes, may also be related to plantar fasciitis, osteoarthritis, diabetic foot and other diseases, if the symptoms continue to be unrelieved, it is recommended to go to the hospital in a timely manner by the doctor to identify the cause of the disease, targeted treatment.