Excrement sampler used in hospital

The invention discloses an excrement sampler used in a hospital. The excrement sampler comprises a conveying mincing box; and a conveying cavity is formed in the conveying mincing box. The excrement sampler further comprises a conveying mechanism arranged in the conveying cavity; and the conveying mechanism comprises a conveying belt pulley and a conveying belt. The conveying belt is driven to move by the rotation of the conveying belt pulley, and a drying mechanism and the mincing mechanism can ensure sufficient follow-up combustion so that harmful substances generated are reduced; a combustion mechanism comprises smoke exhaust treatment, and a combustion environment is relatively closed, so that environmental protection and the safety are ensured; the whole excrement sampler combines leaf conveying, drying, combustion, smoke extraction and soot treatment together, performs smoke extraction and environmental protection treatment while drying and burning leaf weeds, is easy to operate and high in efficiency;