The hot and numb feet may be caused by localized foot lesions such as gout, and generally there will be redness and swelling in the local area in this case. If there is no obvious local redness or swelling, it may be a disease of the lumbar region, such as a herniated lumbar disc compressing the nerve roots causing numbness and heat in the feet. You can go to the orthopedic department to see a doctor in time, who will make a preliminary analysis with physical examination. If you consider that it is caused by gout can improve the determination of uric acid, treatment is mainly colchicine to reduce uric acid, local place magnesium sulfate topical application. Control the diet, try to avoid drinking beer, eating seafood and soy products. If it is considered to be caused by lumbar diseases, the magnetic resonance examination of the lumbar spine can be improved to help determine. For not serious disc herniation, you can choose bed rest, methylcobalamin nerve nutrition conservative treatment.