There are more reasons for patients to have back pain after a cold, and there are several factors as follows: 1. Pleurisy is caused after a cold, and when the inflammation involves the tissues around the pleura, it will lead to symptoms of back pain. 2. Patients will have obvious symptoms such as abdominal distension when they have a gastrointestinal cold, which reflexively causes symptoms such as back pain and discomfort. 3. Some patients are induced to have a heart attack after a cold, which will Reflexively cause back pain discomfort, at the same time patients will be accompanied by chest tightness as well as chest pain and other symptoms. When patients have symptoms of back pain after a cold, they should go to the hospital for relevant examinations, such as ECG, chest CT, etc., to clarify the cause and then take active treatment measures.