The symptoms of swelling in the back of the foot after standing for a long time can be relieved in the following ways: 1. To stop standing, take timely rest and elevate the foot, you can use a mat or pillow. This will help to promote venous return and further reduce swelling.2. Take oral anti-swelling drugs for symptomatic treatment, such as horse chestnut seed extract tablets.3. Use ointments with blood circulation, blood stasis, swelling and pain relief, but only if there is no trauma or skin damage, such as wound and dampness pain relief ointment, Yunnan Baiyao ointment, and golden ointment, The ointment can also be used topically as Yunnan Baiyao spray.4. Physical therapy such as magnetic therapy and electromagnetic therapy can be performed to relieve local swelling. If there is no improvement in the case need to promptly go to the hospital, according to the cause of symptomatic treatment.