Abstract: A badge holder with a whistle function includes a body and a cover, wherein the body includes a protecting part for receiving the badges. A fixing part is formed at one peripheral side of the protecting part. A cover sealed with the fixing part for forming a hollow part between the fixing part and the cover. The fixing part and the cover together form a blowing part. A blowing passage, a retaining wall and a resonance chamber are formed within the fixing part and cover. Thus. when wearing it, a user can blow the blowing part to make a whistle sound.

Abstract: The present invention relates to a whistle, comprises a hollow main body, one end of the main body is installed with a mouth part allowing air to be introduced, an accommodation room is concavely installed in any location of the main body but not the location where the mouth part is installed, and a mobile cover is installed and served to engage and seal the accommodation room, and a resonance chamber is formed in the main body, the main body has an opening for allowing a tuning member to be installed, and a fastening cover board is installed and served to seal the opening of the main body; through installing the accommodation room in the main body of the whistle, emergency items such as an emergency contact list, medicines or other emergency information can be stored, so the operation effect of safety function of the whistle is enhanced.