The main reasons for the chills and lack of energy are the following: First, if the patient is in the early stage of viral infection, in the early stage of hyperthermia, the patient will have chills and chills with general weakness, etc. This may be a manifestation of prehyperthermia, and blood tests can be performed to understand whether there are changes in mononuclear cells or lymphocytes. Second, if there is hypertension, diabetes or long-term bedridden patients, the general nutritional status is very poor is a manifestation of cachexia, you need to measure the patient’s blood sugar and blood pressure, to see if it is because of hypotension or hypoglycemia state caused by the general body chills, no energy, so the general body chills no energy mainly consider the above two aspects of the cause.