To provide a mounting structure of a curtain for a golf cart whose curtain 7 can be easily stored when not in use, does not hider a user from getting on and off the cart and can be easily taken out for use.

A curtain storage box 9 to store the curtain 7 is provided on the ceiling portion of the golf cart. The foldable curtain 7 is hung onto a U-shaped curtain rail 6b provided with through holes 21 and rotatable by using hooks 8. When the curtain is put out of use, the curtain 7 is folded and stored in the curtain storage box 9. When it begins to rain suddenly, the curtain 7 is taken out from the curtain storage box 9 for use.