To provide filter cloth capable of properly fastening and holding an insertion part to a liquid feed pipe tightly by elastic force, capable of effectively preventing the falling-off of the filter cloth, the improper overflow of a liquid to be treated or the damage of the filter cloth and capable of always certainly performing the filtering treatment of the liquid to be treated.

The filter cloth 1b is constituted by forming the insertion port 3 for the liquid feed pipe to one side of the upper end part of a bag-shaped filter cloth body 2 comprising a nonwoven fabric or the like and sewing the filter cloth body 2 along the longitudinal direction thereof at every predetermined interval to demarcate and form a required number of filter chambers 4. An annular elastic member 13 is attached to the edge of the insertion port 3 of the filter cloth body 2 in order to energize the insertion port by elastic force to fasten and hold the same to the insertion liquid feed pipe 9 tightly.