If a lumbar muscle strain occurs after exercise, often due to excessive or inappropriate exercise, the following treatment can be carried out: 1. reduce the amount of exercise, as far as possible under the guidance of professional coaches, so as to avoid chronic injury to the lumbar muscles. 2. physiotherapy, microwave physiotherapy or far-infrared physiotherapy, which is very good for the recovery of lumbar muscle strain. 3. The first thing you need to do is to take a topical medication, such as a spray of Yunnan Baiyao spray or a spray of Fotarine ointment, which can significantly relieve the painful symptoms of lumbar strain. 4. This will be very helpful for the recovery of lumbar strain.