Cancer and tumors are a large group of diseases that are now common and serious threats to human health. The so-called cancer, also called malignant tumors, has benign tumors in contrast. Tumor is a local mass formed by abnormal cell proliferation of local tissues under the action of various tumorigenic factors in the organism. Benign tumors generally do not metastasize, do not recur, are easily cleared, and have only extrusion and obstruction effects on organs and tissues. However, the proliferation of malignant tumor cells is endless and grows rapidly, which causes massive depletion of nutrients in patients’ body, destruction of structure and function of tissues and organs, causing necrosis and bleeding, co-infection, etc. Cancer cells can release many kinds of toxins and cause a series of symptoms in human body, and patients may eventually die due to organ failure if the diagnosis and treatment are not timely or effective. In our daily work, it is not difficult to find that many patients are in the middle and late stages when they receive regular treatment and lose the best treatment time. The main reasons are mainly due to the following aspects: 1. Some patients or family members are afraid of talking about cancer. They are overly nervous when they find malignant tumor in their bodies after symptoms or physical examination, and even lose their normal judgment ability, and go to many hospitals for many times in a short period of time, repeat examinations and wait for results. If the results are consistent, if they are temporarily negative or benign, all of them will be happy, and even they will not want to go to see the doctor again and scold the initial doctor; if the results are positive, they will be mentally devastated, and some of them will continue to turn around to other hospitals and hesitate, and some of them will repeatedly receive less standardized anti-tumor treatment in different hospitals. 2. The psychological effect of waiting and risk-taking. Some patients may not have any symptoms when they are suspected to be diagnosed, or they may be in good health, have mild symptoms and are busy at work, so they do not pay attention to it and always hold the idea of “what if it is not” and delay it again and again. 3.More concomitant lesions in the past. When new symptoms appear, they always like to think of the “old disease” and take some medicine to get better, not to accept the new examination. When the medication does not work, only then do you think of going to a “random” look. In this way, time passes day by day, and the time for treatment is also far away day by day. In recent years, with the continuous progress of treatment technology and the invention, promotion and application of some new special drugs, cancer and tumor are no longer incurable as before, but they still need early detection and early standardized treatment, and some studies show that the overall survival rate of cancer patients in 5 and 10 years is significantly higher than before. So, how should cancer and tumor patients see and receive proper diagnosis and treatment? First of all, regardless of the circumstances, if you find a suspected cancer or tumor, you should go to a fixed specialized hospital with certain experience in diagnosis and treatment for systematic examination as early as possible, so that you will not lose time due to recurrence. We should strive to get the correct diagnosis at an early stage, especially to get a clear pathological diagnosis as much as possible. Secondly, after the diagnosis is clear, receive standardized treatment as soon as possible. Different tumors or different stages of the same tumor, the treatment methods are very different. It is necessary to choose regular specialized hospitals or oncology specialties of larger hospitals to receive comprehensive treatment. Surgery is the main method of treatment for early stage cancer, but not all tumors should be treated by surgery. For some advanced tumors, or those with more accompanying lesions, or those who are less fit for surgery, or those who are more sensitive to radiotherapy or cryotherapy, they should choose non-surgical and active comprehensive treatment methods that are suitable for them. Once again, comprehensive treatment is not a matter of “taking the magic medicine or using the magic medicine”, but a standardized use of medicine under the guidance of a specialist. On the one hand, it should be able to resist tumor progression or remove tumor cells, on the other hand, it should be able to protect the immune function of the body and enhance its own anti-tumor ability, in addition to protecting the function of liver, kidney, heart, lung and other important organs from being affected. Lastly, we should return to the hospital in time when we need to follow up, not to “feel good and go back in some days”. Unlike other diseases, tumors have a certain growth cycle and need regular follow-up and consolidation treatment to prevent various tumor complications. Therefore, patients and family members should have sufficient psychological preparation and grasp every treatment time together with medical staff.