Lymphocyte ratio of 40.1 is considered to be probably due to the mild elevation of lymphocyte count, which cannot be ruled out as an early manifestation of the disease. It is recommended to go to the hospital in time for examination and diagnosis, to clarify the cause of the disease as early as possible, and to take positive intervention measures. The normal value of lymphocyte ratio is between 20% and 40%, if it exceeds 40%, it is considered that the proportion of lymphocytes is high, and the common causes include viral infections, and if there is exposure to upper respiratory tract infections in the life of the people, it is also possible to have an elevated proportion of lymphocytes. Since the lymphocyte ratio of 40.1 is extremely low, patients do not need to worry too much, and timely comprehensive examination can be carried out to rule out viral infections as early as possible, such as viral cold, measles, rubella, chicken pox, etc., to avoid delaying the condition leading to further exacerbation of the symptoms and causing discomfort.