The invention belongs to the technical field of experimental equipment, and particularly relates to an extracting device suitable for extracting volatile and semivolatile components in a sample and an extracting method using the device. The device comprises a condensing part, a distilling part connected with the condensing part and a condensate collecting and extracting part connected with the condensing part; the condensing part is integrally of a u-shaped structure and comprises a distilling head connected with the distilling part, a condenser pipe casing pipe connected with the distilling head and a condensate guiding breeches pipe; the condensate collecting and extracting part comprises a vacuum liquid receiving ox horn pipe and an extracting liquid separating flask which are sequentially connected with the condensate guiding breeches pipe, wherein the vacuum liquid receiving ox horn pipe is provided with a branch pipe communicated with atmosphere. According to the extracting device and the extracting method, the sample preparing process can be simplified, the usage amount of organic solvent is reduced, and sample loss is avoided; the device is easy to operate and convenient to clean and has the better practical value in the fields of sample analyzing and sample testing.