The invention discloses a multi-suitability mobile phone self-shooting supporting shell. The multi-suitability mobile phone self-shooting supporting shell comprises a shell body of a mobile phone and support plates arranged on the shell body. The multiple support plates, a connecting plate and a holding plate are arranged and connected into a whole body to be inserted into a guide rail which is formed by a door-shaped pressing plate at the upper half part of the shell body; a sliding chute is formed in the door-shaped pressing plate; a clamping post at the top end of the connecting plate is embedded in the sliding chute; the connected side angles of the support plates are hinged to each other while a sliding drive rod with clamping hooks at the two ends in opposite directions is arranged at the other side face; a touch control part with one end connected by a shaft pin is arranged in an elongated slot of a first support plate; the support plate located at the connecting end of the touch control part is provided with an elastic sheet for controlling the touch control part to reset; a conductive contact is arranged at the free end of the touch control part; one end of the shaft pin of the touch control part is connected with the drive rod; and the holding plate is provided with a push key for driving the drive rod to stretch. The push key is driven to enable the conductive contact at the touch control part to press a shooting key of a mobile phone screen so as to finish one shooting operation.