Long-term oxygen inhalation for squamous lung cancer will not harm the body. As the condition of squamous lung cancer aggravates, it will cause great damage to the normal function of lungs, resulting in symptoms such as shortness of breath, breath-holding and chest tightness, etc. Timely oxygen treatment can relieve the above symptoms and at the same time maintain the blood oxygen saturation, which will not harm or affect the condition of patients and their bodies. In the oxygen therapy for squamous lung cancer, surgery, radiotherapy, chemotherapy and targeted therapy are also needed according to the situation. Most of the early stage patients can be cured with timely surgery, while comprehensive treatment for middle and late stage patients can help improve the quality of life and prolong the survival time of patients.