When the palm of the patient’s foot simply appears red and swollen can be considered whether it is due to their own local long-term pressure or hard scratching, it is recommended to seek medical attention in a timely manner to identify the causes for treatment after excluding relatively minor cases: 1, extrusion injury: may be due to prolonged standing plus local extrusion caused by tight shoes; 2, plantar fasciitis: mostly seen in long standing, long distance travel, cold and other reasons to make the plantar located at the heel nodes The plantar fasciitis may also be caused by high arched feet and flat feet and other plantar deformities, especially in the plantar fascial gap infection after the palm of the foot has obvious redness and swelling; 3, gout: the cause of gout is not yet clear, due to hyperuricemia is its biochemical basis, generally too much uric acid in the body can lead to gout, including long-term purine metabolism is active, excessive purine intake or Uric acid excretion is impaired. Gout attack will appear arthritis, may accumulate the foot, causing the phenomenon of red and swollen palms; 4, foot gas: foot gas is a common shallow fungal disease in ringworm, can appear blisters, peeling, itching and other symptoms, when patients scratch the lesions such as the palms of the feet may cause red and swollen phenomenon; 5, other: such as infectious dermatitis, rheumatoid arthritis, etc., may also involve the foot skin lesions, the appearance of the palms of the red and swollen situation .