Which is the best treatment for squamous or adenocarcinoma cannot be determined directly, it needs to depend on the stage of the adenocarcinoma or squamous cell carcinoma, the size of the lesion and other circumstances. Squamous carcinoma and adenocarcinoma are common malignant tumors. Squamous carcinoma is characterized by malignant transformation of epithelial cells, and adenocarcinoma is a malignant tumor caused by malignant transformation of glandular epithelium in epithelial tissue. If squamous carcinoma is in the early stage and adenocarcinoma is in the late stage, squamous carcinoma is better treated. So which one is better to treat needs to be decided according to the staging of the cancer. When adenocarcinoma and squamous carcinoma are undergoing treatment, the lesions are different and it is uncertain which one is better to treat. If the lesion of squamous cancer is larger and the lesion of adenocarcinoma is smaller, adenocarcinoma is better treated, so it is also necessary to decide which one is better to treat according to the extent of the lesion. With the advancement of treatment technology, squamous carcinoma and adenocarcinoma have better treatment methods. However, both are malignant tumors and need to be treated as soon as possible. In addition, squamous carcinoma and adenocarcinoma in different parts of occurrence have different treatments, which require accurate pathological examination and targeted treatment.