Abstract: In order to obtain the high temperature burst properties of the cladding for fuel assembly and core components, high temperature burst facility of thin-walled tube was developed, which is mainly composed of high pressure gas source unit, test atmosphere unit, heating unit, test bench and measurement and control unit. The facility can achieve a maximum test temperature of 1 200 ℃, a maximum heating rate of 10 ℃/s, and a maximum test pressure of 100 MPa. It can complete two kinds of tests: Isothermal high temperature burst under the normal operation condition and transient-heating high temperature burst under the simulated accident condition of PWR. The transient-heating high temperature burst test of 316L stainless steel thin-walled tube was completed by using the facility. The data of high temperature burst strength (ultimate hoop stress) and total circumference elongation were obtained under the conditions of 600-1 200 ℃ and heating rate of 5 ℃/s. The results of verification test of the burst facility and the burst test of the stainless steel thin-walled tube show that the developed high temperature burst facility of thin-walled tube meets the test requirements. And the test is flexible and convenient, with high control accuracy.