The invention discloses a rotatable computer teaching display screen with a light shielding function. The rotatable computer teaching display screen comprises a fixed base, a rotary base, first bearings, second bearings, a connecting base, fixing screws, end face gears, a driving gear, a first motor, an inner cavity, fixing holes, a supporting column, a light shielding device, a connecting plate,a connecting arm and a connecting shaft. The rotatable computer teaching display screen is reasonable and simple in structure, low in production cost and convenient to mount, the arranged first motorcan drive a display screen body to overall rotate around the center line of the rotary base, and therefore the display screen can be conveniently watched by students at left and right different positions. An arranged second motor can drive the display screen body to overall rotate and swing around the center line of the connecting shaft for adjustment, and therefore it is guaranteed that the display screen is watched by students at front and back different positions. An arranged drive motor can drive the connecting rod to move left and right, when the connecting rod moves rightwards, a light shielding curtain in a light shielding roller shutter can be pulled out for light shielding, and therefore the watching effect of the students is further improved.