A conveying system comprising: a first robot and a second robot; wherein: the first robot is configured to move to an article storage apparatus, grip a first target article at the article storage apparatus and place the first target article on a movable temporary buffer apparatus or grip a second target article on the movable temporary buffer apparatus and place the second target article on the article storage apparatus; and the second robot is connected to the temporary buffer apparatus and moves following the first robot; wherein the first robot comprises a gripping apparatus configured to adjust a gripping height to grip the first target article located in any interlayer on the article storage apparatus or the second target article located in any interlayer on the temporary buffer apparatus, and place the first target article in any interlayer of the temporary buffer apparatus or place the second target article in any interlayer of the article storage apparatus; the gripping apparatus comprises a telescopic component configured to grip the first target article or the second target article and a lifting component connected to the telescopic component and configured to raise or lower the telescopic component to a preset height; wherein the telescopic component comprises a clamping part and a sliding part, the clamping part being slidably connected to the sliding part; the clamping part is configured to grip the second target article from the temporary buffer apparatus or grip the first target article from the article storage apparatus by way of clamping, wherein the clamping part slides in a depth direction of interlayers of the temporary buffer apparatus or the article storage apparatus through the sliding part. the first robot is configured to move to an article storage apparatus, grip a first target article at the article storage apparatus and place the first target article on a movable temporary buffer apparatus or grip a second target article on the movable temporary buffer apparatus and place the second target article on the article storage apparatus; and the second robot is connected to the temporary buffer apparatus and moves following the first robot; wherein the first robot comprises a gripping apparatus configured to adjust a gripping height to grip the first target article located in any interlayer on the article storage apparatus or the second target article located in any interlayer on the temporary buffer apparatus, and place the first target article in any interlayer of the temporary buffer apparatus or place the second target article in any interlayer of the article storage apparatus; the gripping apparatus comprises a telescopic component configured to grip the first target article or the second target article and a lifting component connected to the telescopic component and configured to raise or lower the telescopic component to a preset height; wherein the telescopic component comprises a clamping part and a sliding part, the clamping part being slidably connected to the sliding part; the clamping part is configured to grip the second target article from the temporary buffer apparatus or grip the first target article from the article storage apparatus by way of clamping, wherein the clamping part slides in a depth direction of interlayers of the temporary buffer apparatus or the article storage apparatus through the sliding part.