Blood rt refers to routine blood tests and crp refers to c-reactive protein tests. 1. Blood routine: the basic item of clinical examination, through the determination and analysis of the quality and quantity of formed components in blood, and then assist the diagnosis and treatment of related diseases. It is mainly a comprehensive analysis of the indicators related to red blood cell system, white blood cell system and platelet system, and is a common indicator for diagnosis, treatment and follow-up of diseases. 2. c-reactive protein: C-reactive protein represents the severity of infection, often associated with bacterial infection; C-reactive protein test can be used to identify viral infections, viral infections usually do not have elevated CRP, and the patient’s condition is related to the degree of decline in CRP; C-reactive protein is usually elevated to indicate that there is a bacterial infection in the patient, which requires the use of antibiotics for treatment. The clinical significance of the test results must be analyzed and judged by the clinical physician in conjunction with the history, symptoms, signs and other auxiliary examination results.