Objective To explore the effect of Chinese medicine fumigation combined with the ultrashort wave in treating acute lumbar sprain pain and its effect on lumbar spine function. Methods A total of 88 patients with acute lumbar sprain who were admitted to a hospital in Chenzhou City from June 2019 to June 2020 were selected as subjects. They were assigned to a study group and a control group by the random number table method

with 44 cases in each group. The patients in the control group received ultrashort wave therapy

while the patients in the research group Chinese medicine fumigation in combination with ultrashort wave therapy

and the patients in both groups were treated continuously for 2 courses. The Visual Analog Scale（VAS） score

Oswestry disability index（ODI） score

Japanese Orthopaedic Association（JOA） score

β-endorphin（β-EP） level and thromboxane B

2

（TXB

2

） levels were compared between the two groups before and after treatment. The clinical effects were compared between the two groups of patients. Results Before treatment

there was no significant difference in the VAS

ODI and JOA scores between the two groups（P

>

0.05）.After treatment

the VAS

ODI

scores of the two groups were lower than those before treatment

and the study group was lower than the control group

with statistical significance（P

<

0.05）.Before treatment

there was no statistically significant difference in β-EP and TXB

2

levels between the 2 groups（P

>

0.05）.After treatment

the β-EP levels of patients in both groups were higher than those before treatment

with the study group higher than the control group;the TXB

2

levels were lower than those before treatment

with the study group lower than the control group

and the differences were statistically significant（P

<

0.05）.The total effective rate of treatment was 95.45% in the study group

which was higher than that of the control group（81.82%）

and the difference was statistically significant（P

<

0.05）.Conclusion The Chinese medicine fumigation in combination with ultrashort wave therapy for acute lumbar sprain demonstrates marked effects

which can effectively improve the function of the lumbar spine of patients

and can enable them to recover to their previous state in an optimal manner. These benefits justify a wider application of this technique clinically.