Adenocarcinoma is one of the malignant tumors occurring in glandular epithelium. Most of the early symptoms of adenocarcinoma are not obvious, for example, lung adenocarcinoma may just have choking cough in the early stage, breast adenocarcinoma has a painless lump in the early stage, and prostate adenocarcinoma may have no obvious symptoms in the early stage, but with the development of the tumor, it will have compression symptoms. The symptoms of early adenocarcinoma are often easy to be ignored. Therefore, it is necessary to pay attention to it in daily life, have regular medical checkups, and seek medical checkups immediately if any abnormality is found in the body, so as to avoid delaying the condition. At present, for the treatment of adenocarcinoma, surgery can be carried out according to the course of the disease. At the same time, with the necessary lymph node dissection and chemotherapy using Docetaxel injection, Paclitaxel injection and other medicines, adenocarcinoma can be treated with surgery according to the course of the disease. The treatment and medication should follow the doctor’s prescription and should not be taken by oneself.