Patients’ psychological reactions after finding out cancer include the following aspects, including rejection of facts, mood swings and gradual acceptance, etc., as follows: 1. Rejection of facts, firstly, they may be too shocked and think that they cannot have cancer, the doctor is wrong or the test equipment is wrong, so they may deny that they have cancer and are unwilling to accept the reality. 2. After confirming that you have cancer, you may start to accept the reality and complain, such as complaining about the unfair fate and feeling very miserable about your illness. At the same time, there may be panic and anxiety about the future, especially the fear of death. After a period of time, the patient will be too desperate about having cancer and even have emotional problems such as depression. 3. Gradually accept, eventually the patient will accept that he or she has cancer and gradually compromise with the reality and gradually accept the fact.