Adjustable finger force training device and adjusting method

The invention relates to an adjustable finger force training device and an adjusting method. An existing sports basketball shooting exercise finger force trainer cannot be adjusted according to the force magnitude, the specifications are unified, great inconvenience is brought to students of different palm sizes due to the finger force training device of the same specifications in the teaching and training process, and the teaching and training scores and teaching quality are seriously affected. The training device comprises a machine frame body (2), four through holes are formed inside the machine frame body, springs (8) are installed inside the through holes, a force measuring device (10) is installed on the springs, a force measuring display screen (7) is installed at the front end of the force measuring device, the force measuring display screen is embedded on the surface of the shell of the machine frame body, the lower portion of the spring is attached to the upper surface of an adjusting double-screw b