RE borate glass is a kind of potentially valuable luminescence material.More than twenty types of various borate glass doped with Eu

3+

or Bi

3+

ions and co-doped with Eu

3+

and Bi

3+

ions were investigated. The influence of glass composition on. the luminescence of Eu

3+

iors and the ssnsitization effect of Bi

3+

on Eu

3+

ions were also studied.The fluorescence intensity of Eu

3+

ions is the strongest when the M

m

O

n

is Li

2

O

MgO or A1

2

O

3

in the B

2

O

3

-EaO-M

m

O

n

glass system (M

m

O

n

:Li

2

O

Na

2

O

K

2

O

MgO

CaO

SrO

A1

2

O

3

La

2

O

3

Bi

2

O

3

)

and the fluorescence intensity of Eu

3+

ions is the weakest when the M

m

O

n

is La

2

O

3

. The luminescence emission peaks of Eu

3+

ions shift towards longer wavelength with the increase of radius of alkali metal alkaline-earth metal and trivalent metal ions.The optimal concentration of Eu

3+

is different in different host glasses.The ions of Bi

3+

can sensitize the Eu

3+

luminescence

when

sensitized by Bi

3+

the emission intensity of Eu

3+

is increased by a factor of 1-2.5.