The traditional Chinese medicine nursing smashing device comprises a first box body and a plurality of supporting legs arranged at the lower end of the first box body, a second box body communicating with an inner cavity of the first box body is arranged in the middle of the upper end of the first box body, and a feeding groove used for feeding is formed in the outer side of the second box body; a feeding groove is formed in the outer side of the first box body, the feeding groove is annularly formed, a filtering ring net used for conducting preliminary screening on medicine is distributed on the outer side of the second box body, a smashing shaft is arranged between the first box body and the second box body, a fourth gear is arranged at the upper end of the smashing shaft, and a steering ring plate is rotationally arranged on the outer side of the upper end of the second box body; the screening device is designed according to existing requirements, medicinal materials can be pre-crushed so that the medicinal materials can be in a state suitable for grinding, the grinding efficiency can be improved, the surface of a screening face can be disturbed while grinding is conducted, reverse blowing operation can be conducted on the lower portion of the screening face, screening blockage is effectively avoided, and the screening efficiency is guaranteed.