Lumbar intervertebral disc herniation baking time is usually set to 30 minutes, but according to the actual use of the effect of analysis of 30 minutes is too short, generally will not achieve the desired therapeutic effect, commonly used household baking equipment is usually a baking lamp and ordinary physical therapy instrument, penetration is relatively weak, the therapeutic time is too short is often difficult to play a therapeutic effect, can not achieve the desired therapeutic effect, the time will be extended to 60 minutes each time, you can get a better therapeutic effect. The time will be extended to 60 minutes each time, which can get a better therapeutic effect. Medical physical therapy instrument penetration is very strong, generally only 30 minutes to achieve the desired therapeutic effect, so the time needed to bake electricity should be based on the penetration ability of the equipment to decide.