Helmet type massager

The utility model discloses a helmet type massager, comprising a helmet and a massage device, the massage device comprises a massage body and a controller controlling the massage body, the massage body is installed on the helmet, the helmet comprising a circle-shaped longitude casing and an arc-shaped latitude casing crossly connected on the longitude casing, one of the longitude casing and the latitude casing is spiced with and a first casing and a second casing mutually separated and relatively shifting, the spicing ends of the first casing and the second casing are connected through an adjusting component, an adjusting groove is respectively arranged at each spicing end, two lock positions are at least arranged on the groove wall of the adjusting groove, the adjusting component comprises a fixed casing and an adjusting element, the spicing ends of the first casing and the second casing are respectively inserted the grooving of the fixed casing from two sides, the adjusting element is installed on the fixed casing in a moving way and extended in the adjusting groove, and the adjusting element can be clipped and locked with the different lock position of the adjusting groove. Through arranging the adjusting element, the adjustment of the helmet size can be realized.