The invention relates to an article for daily life, in particular to a telescopic carton sucker brush. The telescopic carton sucker brush comprises a brush handle, a brush holder and bristles, wherein the brush handle is composed of a housing and a drum wheel arranged in the housing; the drum wheel is connected with a control handle; the control handle gets out from the housing; a first end of the brush holder is connected with the drum wheel and is wound on the drum wheel; a second end of the brush holder extends to the outside of the housing through a narrow gap in the housing; the narrow gap is formed in the lower part of the housing; the bristles are fixedly arranged on the second end part of the brush holder. According to the telescopic carton sucker brush, the brush holder is adjustable in length, so that the telescopic carton sucker brush can extend into a sucker for clearing the inner part of the sucker, and is suitable for brushing a relatively long sucker and a bent sucker.