Common causes of swelling of the left foot in women, including trauma to the left foot and acute attacks of gout, are as follows: First, trauma to the left foot: heavy bruises or sprains can lead to swelling of the patient’s left foot, with pain and limited activity, and the patient cannot walk normally with weight for a short time or participate in sports, and the skin of the back of the foot can become black and necrotic in severe cases, and peripheral blood circulation should be closely observed. Second, the acute attack of gout: acute attack of gout will cause acute redness, swelling and pain in the back of the foot and bunion joints, accompanied by local fever, the patient’s pain symptoms are heavy, can not normal weight-bearing, and even can not walk, the pain symptoms will not be relieved when resting, anti-gout treatment is needed to relieve the symptoms. Therefore, women with pain and swelling in the left foot should promptly identify the cause and take appropriate treatment measures.