| Experimental methods | Experimental apparatus | Brief introduction | Application |
| Facial pain test | Facial pain tester | The instrument is used to measure the thermal pain and mechanical irritation pain in the trigeminal nerve region. | For pain research and related drug screening. |
| Hargreaves test | Hargreaves test apparatus | Hargreaves test represents an advanced experimental method that combines the advantages of all the pain allergy tests, meanwhile the test animals are not bound. | For pain research and related drug screening. |
| Tail-flick latency | Tail-flick latency pain threshold detector | The basic principle of the light-shaking method is to produce a group of light on the rat tail thus making the tail pain which caused by the local warming , when the animal's pain | For pain research and related drug screening. |
| Cold and hot plate pain measurement | Cold and hot plate pain measuring instrument | Hot and cold plate pain measuring instrument can measure physiological pain and pathological pain in the same instrument. | For pain research and related drug screening. |
