The folate receptor cell test is used to detect the presence of tumor cells in the peripheral blood of tumor patients. Folate receptor cell test can detect the content of circulating tumor cells (CTCs) in the peripheral blood of patients with esophageal, breast, colorectal, gastric, and liver cancers, which can be used to predict the chances of recurrence and metastasis of tumor patients after surgery, and also as an evaluation of the effect of anti-tumor treatment, to assist in the diagnosis of cancer in its early stages and to monitor its recurrence. The role of folate receptor cell test specific testing standards and treatment options recommend that patients according to the doctor’s professional advice to judge. If patients have physical discomfort, they should go to regular hospitals in time, and give targeted treatment after the doctor clarifies the cause of the disease.