The decisive nano forces are pointed out to he Van der Waals force, repulsive contact force, nab frictional force, capillary force and nano electrostatic force, and their calculation formulas are also deduced.

• 指出起主要作用的纳观力为范德华力、接触斥力、纳米摩擦力、毛细作用力以及纳米静电力等五种，并初步推导了各种纳观力的表达形式。