Device capable of demonstrating glass refraction and reflection principles

The utility model provides a device capable of demonstrating glass refraction and reflection principles, which comprises a square box provided with a groove, light inlet glass, light outlet glass, two pieces of inside glass, two pieces of refraction glass and two pieces of reflection glass, wherein the light inlet glass and the light outlet glass are respectively installed on the upper portions of two sides of the square box, the light inlet glass and the light outlet glass are positively opposite and are in parallel, the inside glass is respectively installed on two inner sides of a groove of the square box, two pieces of inside glass are positively opposite and are in parallel, reflecting mirrors are respectively and obliquely arranged on bottom corners in the square box, positively opposite corners of the reflecting mirrors are respectively provided with the refraction glass, two pieces of the refraction glass are respectively and positively in parallel with the reflecting mirrors, and openings are arrange