The treatment of non-small cell carcinoma is related to the severity of the disease, patients can choose suitable treatment modes with the help of doctors, such as surgery, chemotherapy, targeted therapy and radiotherapy, etc. Meanwhile, they can take some probiotics according to the actual situation. Non-small cell carcinoma is a kind of lung malignant tumor disease originated from bronchial mucosa, glands and alveolar epithelium, mainly including squamous cell carcinoma, adenocarcinoma, adenosquamous carcinoma and undifferentiated carcinoma. The treatment modality of this type of disease depends on the severity of the tumor. In the early stage, patients can undergo timely resection surgery under the guidance of doctors, and after the surgery, auxiliary treatments, such as auxiliary radiotherapy and chemotherapy, should be carried out according to the actual situation. As for non-small cell cancer patients in middle and late stages, due to the more serious condition, most of them are mainly treated with radiotherapy and chemotherapy, and patients in late stages can be combined with targeted therapy drugs for comprehensive treatment. In the course of treatment, patients can take some probiotics appropriately, because it is a kind of bacteria that is beneficial to human body, which can effectively regulate the flora in the body, promote the peristalsis of the stomach and intestines, and help digestion and defecation, and it does not have too many side effects, but not all patients are suitable for taking probiotics. Therefore, patients follow the advice of specialists during treatment so as not to affect the therapeutic effect.