Amniocentesis gene chip cannot detect neuroblastoma. Amniocentesis gene chip test is the specimen obtained after amniocentesis can be used for chromosome karyotype analysis, and also used for gene chip test, but cannot detect neuroblastoma. Women undergo amniocentesis during pregnancy, mainly to check the chromosome karyotype, for the diagnosis of chromosomal genetic diseases, but also to determine the sex of the fetus, but also for the DNA inside the amniotic fluid cells, for the diagnosis of genetic and metabolic diseases, but also to measure the content of alpha-fetoprotein in amniotic fluid, to diagnose open neurovascular malformations of the fetus. It is recommended that pregnant women go to regular hospitals and choose amniocentesis under the guidance of doctors, which can play a role in clarifying the condition of the fetus and maintaining the normal progress of pregnancy.