Software development demonstration device

The utility model belongs to the technical field of demonstration devices, and particularly relates to a software development demonstration device which comprises a base and a display screen, the display screen is rotatably installed on the upper side of the base, a square groove is formed in the upper side of the base, a square cavity is formed in the base, and four oval openings communicated with the square cavity are formed in the lower side of the square groove. Four L-shaped blocks matched with the oval openings are assembled in the square groove in a sliding mode, two square rods distributed in a bilateral symmetry mode are assembled in the square cavity in a sliding mode, long grooves are formed in the upper sides of the two square rods, limiting rods matched with the long grooves are fixedly arranged on the lower sides of the four L-shaped blocks, and first springs are fixedly arranged between the two square rods and the side wall of the square cavity; a mobile phone or a tablet computer is placed in