The price of circulating tumor cell test, or CTC test, is about 3,000~4,000, which varies according to different cities and different testing methods. At present, the cost of CTC test is higher, usually around 3,000~4,000, and it is limited by CTC test equipment and technology, not all cities can test CTC, usually only larger cities have carried out CTC test, and the cost of test is different in different cities. Circulating tumor cell test is to detect the presence and quantity of tumor cells in the peripheral blood of tumor patients, which plays an important role in monitoring whether metastasis and recurrence after surgery, as well as evaluating the therapeutic effect and prognosis of patients with breast, lung, colorectal and prostate cancers, etc. Patients can consult their doctors according to their needs. Patients can consult their doctors whether they need to undergo CTC test according to their own needs, and if they need to undergo the test, they should go to regular medical institutions.