Rest in a rigid bed is the basis of all treatments for lumbar disc herniation. Only when rest in a rigid bed is truly achieved can other therapies be effective with half the effort. From 4 days to 3 months of bed rest, there is a wide range of opinions that confuse patients. How long is bed rest appropriate? The length of bed rest depends on the severity of the disease, generally less severe patients can be bed rest for a shorter period of time, patients with severe disease should be bed rest for a longer period of time. However, the absolute bed rest time should not exceed 3 weeks. Absolute bed rest here means complete bed rest for 24 hours a day, with feeding, defecation and urination done in the bed position. In general, the absolute bed rest time of patients treated in our department is mostly 7-10 days. The concept of taking prolonged bed rest therapy for lumbar disc herniation is undesirable because for every 1 week of absolute bed rest, we lose 1% of the calcium in our bones. Moreover, as we age, it is difficult to replenish the calcium lost in the bones of adults, and in old age, osteoporosis becomes more severe and fractures are more likely to occur. After 7 days of absolute bed rest, with the relief of back and leg pain, patients can take relative bed rest, i.e. get up when washing, eating and second stool, and still rest in bed at other times, about 20 hours a day in bed. This means that the normal treatment is adhered to and the risk of causing osteoporosis is greatly reduced. At this time, functional exercises for the low back muscles should be gradually started. After 7 days of relative bed rest, continue to reduce the time spent in bed and increase the time spent out of bed and the amount of exercise, but the time spent in bed should also be 16-18 hours a day. The vast majority of patients can be greatly relieved after 3 weeks of bed rest and systematic conservative treatment, and can gradually resume their daily life by leaving bed and moving around. However, it is important to wear a waist brace when leaving bed.