Acute inflammation of the plantar fascia can result in a burning sensation on the bottom of the foot with redness and swelling. Plantar fasciitis is a painful condition of the bottom of the foot, located at the heel of the foot, and is a relatively common foot pain condition. So, what are the differential diagnoses for the symptoms of burning sensation on the bottom of the foot? The following is a brief introduction: burning pain is a symptom that appears as a severe burning-like pain. It is mostly seen in burning neuralgia, tarsal tunnel syndrome, and erythema extremities pain. Radicular pain in the foot: Radicular pain in the lower extremities of lumbar disc herniation, which occurs in 80% of patients, often after the lumbar pain is reduced or disappears. It manifests as a radiating irritation or numbness from the waist to the back of the thigh and calf, reaching the bottom of the foot. In severe cases, it can be a severe electric shock-like pain from the waist to the foot, and is mostly accompanied by numbness. Those with mild pain can walk with a limp; those with severe pain need to rest in bed, preferring a flexed waist, flexed hip, and flexed knee position. Prevention of plantar fasciitis should be done, in the work and sports need to walk or stand for a long time again on the harder ground, should wear comfortable and suitable for the foot type of shoes, avoid heel to do repeated grinding and stepping action, avoid walking on uneven surfaces for a long time, do regular foot massage.