(EN) A band for installation of a cell phone, comprising a ring-shaped sheet or a band-shaped sheet formed of an extendable material such as rubber and a bag-shaped pocket part allowing the cell phone to be stored therein installed on a part of the band, wherein, when using the band for installation of the cell phone, a user installs the ring-shaped sheet or the band-shaped sheet on the arm or foot of the user by utilizing the expandability thereof, whereby the user can easily install the cell phone on the body of the user even if a pocket is not present on the cloths, can store and retrieve the cell phone from the band, and can prevent the cell phone from carelessly dropping during walking.