The common causes of a burst of heat in the sole of the right foot include physiological factors, trauma, plantar fasciitis, hyperthyroidism, diabetes and so on. 1. Physiological factors such as standing for too long, running for a long time, strenuous exercise, etc., can appear plantar fever, generally can be relieved after rest. 2. Trauma leading to plantar soft tissue injury or open injury leading to infection can cause plantar fever. 3. Plantar fasciitis is a specific inflammation that occurs in the foot, because of inflammatory factor stimulation, soft tissue damage, fever, pain, swelling and other symptoms can occur. 4. Hyperthyroidism patients because of the increased secretion of thyroid hormones, speed up the metabolism, the body’s heat production increased, can also appear plantar fever. 5. Diabetes-induced autonomic neuropathy, resulting in sensory abnormalities, can be felt on the soles of the feet, but the temperature is generally not seen to rise. The causes of plantar fever are many, and may also be related to gout, bone fracture, Achilles tendonitis and other diseases, if the symptoms continue to be unrelieved, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, and to carry out targeted treatment.