There are many diseases that can cause pain in the back when breathing, mainly divided into the following categories: 1, tuberculosis, tuberculous pleurisy, can appear breathing-related back pain, accompanied by low fever, weakness, night sweats, wasting and other symptoms of tuberculosis poisoning, can be clearly diagnosed through lung CT, sputum to find antacid bacilli and other related examinations, after a clear diagnosis requires active anti-tuberculosis treatment. 2, patients with lung tumors also Patients with lung tumors can also have respiratory-related chest pain and back pain, accompanied by clinical symptoms such as coughing up blood and emaciation, which can be clearly diagnosed by lung CT, bronchoscopy and puncture biopsy. Active anti-infection treatment is required.