Handheld thermometer

The utility model discloses a hand-held thermometer, and specifically relates to the thermometer technology field, the hand-held thermometer comprises a first housing and a second housing, one side of the first housing and one side of the second housing are respectively provided with a connecting mechanism used for connection, the connecting mechanism comprises a first limiting block and a second limiting block, the lower end of the first limiting block is fixedly connected with the upper end of the first housing, and the lower end of the second limiting block is fixedly connected with the lower end of the second housing. The lower end of the second limiting block is fixedly connected with the upper end of the second shell, an L-shaped connecting rod is slidably installed on the side, close to the second limiting block, of the first limiting block, and a limiting hole used for limiting the L-shaped connecting rod is formed in the side, close to the first limiting block, of the second limiting block. The first