2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46939The basic feature of the measurement of CPT violation in the neutral kaon system is overviewed beginning with noting the physical implication of CPT violation. After describing $K^0-\bar{K}^0$ system at length, how CPT test is possible is illustrated with adding a few remarks on it.16 pages, REVTEX, Proceeding of first KEK meeting on ``CP violation and its origin'' in 1993High Energy Physics - Phenomenologytext