  Photographic photometries of 789 stars in the region of the open clusters
NGC1750 and NGC1758 are derived from a set of 8 photometric plates. According
to the astronomical data including proper motions, positions and membership
probabilities of individual stars, several astrophysical parameters for these
two clusters are determined, such as HR diagrams, ages, distances, luminosity
functions, masses and kinematics, etc. It is found that the distances are
  ($525\pm 48$pc) and ($794\pm 73$pc) with ages of $1.5\times10^8$yr and
$6.3\times10^8$yr for
  NGC1750 and NGC1758 respectively. Both clusters show no significant mass
segregation effects because of their relatively young ages. The analysis of the
proper motions imply that their velocity distributions are isotropy.
