Sore feet after walking too much may be caused by lactic acid accumulation, muscle strain, plantar fasciitis, etc. General treatment, physical therapy and medication can be taken according to the different causes. 1. Lactic acid accumulation: If you usually have little exercise and suddenly walk for too long, more metabolic products such as lactic acid may be formed locally, stimulating the peripheral nerves, thus producing the symptoms of sore feet. Physiotherapy, baking electricity, hot compresses, dredging meridians and accelerating the speed of blood circulation can be taken to alleviate the symptoms of foot soreness. 2. Muscle strain: due to the long time line, caused by muscle fiber damage, leading to walk more walking sore soles, and accompanied by muscle weakness and other symptoms of discomfort. You can take oral celecoxib capsules, meloxicam tablets and other drugs for treatment; you can also apply the spectrum instrument baking electricity, microwave instrument therapy, infrared therapy. In daily life, you need to pay attention to rest and avoid overwork. 3. Plantar fasciitis: long-term walking, the formation of chronic fasciitis in the plantar muscle layer, the fascia is constantly being pulled and stimulated, resulting in walking walking more sore soles. You can take ibuprofen extended-release tablets, diclofenac sodium extended-release tablets and other drugs to relieve the pain; you can also cooperate with the blood circulation and eliminate blood stasis to reduce swelling of drugs such as dragon blood exhaust capsule, blood by blood stasis capsule and so on to carry on the treatment. There may be other reasons for the soreness on the soles of the feet after walking too much, so it is recommended to consult a doctor in time to clarify the cause of the disease, and carry out treatment under the guidance of the doctor in order to avoid delaying the condition.