Sweeper head and hand-held sweeper

A hand-held sweeper, comprising:

• a power head comprising a motor for outputting power;
• a cleaning device comprising a rolling element rotatable about a first axis and a cleaning element installed on the rolling element;
• a transmission shaft configured to transmit power to the sweeper head and rotatable about a second axis;
• a shield comprising a surrounding portion for surrounding at least a part of the cleaning element;
• and
• a connecting rod, wherein the cleaning device is installed at one end of the connecting rod and the power head is installed at the other end of the connecting rod,
• wherein the surrounding portion comprises a front surrounding portion and a rear surrounding portion located on two sides of a first plane, and the first plane passes through the second axis and is parallel to the first axis and a ratio of a maximum measurement L1 of the front surrounding portion in a direction parallel to the first axis to a maximum measurement L2 of the rear surrounding portion in the direction parallel to the first axis is greater than or equal to 2 and is less than or equal to 3.