Liver function tests are now a relatively popular and widely performed routine test. The cost is usually not very high, ranging from a few dozen to a few hundred dollars. There are some variations in cost for specific reasons. When visiting a hospital, you will see different tests such as liver function test two, liver function three, eight, ten, etc. on the liver function checklist issued by the doctor. In daily life, it must be obvious that the cost of checking liver function items will be very low, a few dozen dollars will be enough, while the cost of checking more items will reach several hundred dollars. There is a reason for this situation. The liver is an organ that can function in a complex way. When abnormalities occur in a person’s body, various enzymes in the liver will begin to change in quantity, and liver function tests are performed to determine disease through changes in the levels of these enzymes. So we will find that the body is healthy and there is no discomfort, sometimes two or three items, and the cost will of course be lower. When the body is examined due to a disease, a dozen liver function test reports will appear in order to evaluate it comprehensively, and the cost will certainly be higher at that time. At the same time, the human body is a whole body, when there is discomfort or preoperative examination, not only liver function but also kidney function and heart function need to be evaluated. In order to reduce the number of blood draws and the amount of blood drawn by patients, the liver function, kidney function and heart muscle enzyme tests are combined together to reduce the amount of blood drawn, but the cost will also increase accordingly. In simple terms, during the liver function test, the number of items is small and the cost is low; the number of items is large and the cost will be high.