Lung cancer patients may suffer from night sweating in the middle of the night due to their weak physique. Night sweating refers to a phenomenon that the human body sweats more when sleeping and stops sweating when waking up. Night sweating is usually caused by the patient’s physical weakness or vegetative nerve function disorder. Lung cancer patients have a large number of cancer cells in their bodies, which will absorb nutrients from the human body, so their bodies are usually weak and have poor physique, which may lead to night sweating in the middle of the night. Secondly, the tumor in the patient’s body will affect the vegetative nerves, which will lead to vegetative nerve dysfunction and the occurrence of night sweating in the middle of the night. When the above performance occurs, you can adjust your diet appropriately and consume more light and easy-to-digest food. Supplement the nutrients needed by the body and improve the body’s immunity. If the condition of night sweats is very serious, it is recommended to go to the hospital immediately and receive professional treatment from the doctor.