GB/T 1940 - 2009 specifies the method for testing the toughness of wood. It specifies the preparation requirements of the sample, covering details such as the location of the wood, size specifications, etc. The test equipment is also specified to ensure that the equipment accurately provides Impact energy. The test process is described in detail, including the impact operation steps and data recording methods. Through this standard test, the toughness performance of wood under Impact load can be accurately determined, providing key mechanical properties for the rational selection and processing of wood in construction, furniture and other fields.