Blood sedimentation 50 is not normal, because the normal adult male blood sedimentation range is 0-15mm/h. Adult female is 0-20mm/h, so blood sedimentation 50 is not abnormal, blood sedimentation increase. There are many clinical reasons for the increase in blood sedimentation, the most common of which are inflammatory diseases, such as acute infections that stimulate the body to produce inflammatory substances, which can cause the increase in blood sedimentation, and certain rheumatic diseases, such as rheumatoid arthritis and systemic lupus erythematosus, which can also cause the increase in blood sedimentation. In addition, tuberculosis infection and certain malignant tumors can also cause a significant increase in blood sedimentation. To clarify the cause, it is necessary to go to the hospital for timely examination, including blood routine, chest CT and biochemistry, etc., to understand the cause of the increased blood sedimentation and give appropriate treatment according to the cause in order to restore health.