The sudden appearance of redness, swelling and pain in the toes may be due to the following reasons: 1. The most common disease that can cause this symptom is arthritis of the toes caused by high uric acid, also called gout. Although gout is an immune system disease, it is very common among orthopedic patients. Most gout patients like to eat seafood, beef and lamb, animal offal and other foods, and usually have a bad habit of smoking and drinking. This kind of bad dietary habits and bad hobbies will make the body accumulate harmful substances. These harmful substances in which the location of the accumulation of more, will induce the corresponding location of the joint inflammation, local redness, swelling, skin temperature increases, and obvious pain symptoms. The pain is so severe that you are afraid to walk or bear weight locally. If gout has just appeared, it is best to actively treat and actively prevent its reoccurrence, to prevent the formation of gouty stones, the need to do stone removal surgery, and cause pain to the patient; 2, local soft tissue bacterial infections, this symptom will also appear, once the local skin breaks or long time immersed in dirty water, it will induce this symptom.