Adjustable head massager

The utility model discloses an adjustable head massager. The adjustable head massager comprises a helmet body (10), a connecting sheet (20) and a limiting structure for limiting sliding of the connecting sheet (20). The helmet body (10) is provided with an opening formed between a first end (11) and a second end (12) of the helmet body (10), wherein the first end (11) and the second end (12) are opposite to each other. The limiting structure comprises at least two limiting columns (13) located on the upper side and the lower side of the second end (12), and limiting ribs (221) located on the periphery of the tail end of the connecting sheet (20), wherein the limiting ribs (221) protrude out of the connecting sheet (20), and the limiting ribs (221) and the limiting columns (13) are matched to limit the connecting sheet (20) from sliding to the limiting position relative to the second end (12). The size of the adjustable head massager can be easily adjusted, and the adjustable head massager is suitable for consumers with the different head sizes and is simple in structure and easy to manufacture.