The redness of the soles of the feet seems to be congested, which may be caused by the following reasons: 1. There may be allergic inflammation of the skin on the soles of the feet, which leads to congestion of some local skin mucosa, resulting in redness. In addition to the redness, it is also accompanied by itching on the soles of the feet, or some rash, usually caused by contact with some chemical substances, or other allergic substances. 2, may be caused by aseptic inflammation of the joints of the feet, the most common is gouty arthritis, rheumatoid arthritis, or rheumatoid arthritis and so on. This situation, in addition to the redness and swelling of the soles of the feet, will also appear to have joint pain, accompanied by the aggravation of the situation when the activity. 3, may be the soles of the feet skin for various reasons, and lead to some skin inflammatory disease, which leads to congestion and redness of the symptoms.