PURPOSE: To provide a laying-down method for a line and a member for the line which are effective in facilities for being used under severe conditions, for example, facilities for sports to be played on the ground whereon the line with durability and with easy maintenance is laid-down and soil is exposed, which member can be mass-produced by standardizing it, and of which the price and material can be selected according to their purpose.

CONSTITUTION: Hard members 1-a, 1-b, including hard rubber or the like, are buried in the ground and a line is formed by directly utilizing the ground color of the hard member or by using a filler 6 with which either spaces between recess and projection parts or holes 4, provided additionally on the hard member if necessary, are filled.