P504S negative is good, in the clinic is a kind of immunization antibody of prostate cancer, if you have prostate cancer, P504S will be positive, but a single test result can not be used as a basis for confirming the diagnosis, it should be further examined to confirm the diagnosis. P504S is a gene that can be specifically and highly expressed on prostate cancer, the result after checking whether the gene is positive or negative can be used as one of the bases for determining whether the examinee suffers from prostate cancer, if the immunohistochemical labeling antibody is negative in the result of P504S checking, it means that the probability that the examinee suffers from prostate cancer is small, so it is good to be negative for P504S. Prostate cancer is a kind of cancer whose tumor occurs in the epithelial cells of prostate, and the common clinical symptoms include pelvic discomfort, abnormal urination, etc. 80% of the diseased people are men over 65 years old, and there are many treatment modes, which can be treated with anti-androgen drugs, such as the use of flutamide, etc., or resection to directly remove the lesion, and also through radiotherapy and so on. Patients should pay attention to reasonable diet in daily life, consume more bean products and fresh fruits, such as soybeans, etc., and consume less spicy and greasy food, such as garlic, etc., pay attention to rest during the treatment process, build up confidence in the treatment, maintain a good state of mind, do not self-medication, accept the doctor’s regular treatment, and regular review after treatment.