Ziziphus xylopyrus (Retz.) willd known as katber is used traditionally in the treatment of various diseases like Bronchial Asthma, Thirst, Diarrhoea and as Aphrodisiac, Antimicrobial, Antiinflammatory Antinoceceptive and as Anticonvulsants. Present Paper deals with Pharmacognostic study of fruit part of Ziziphus xylopyrus (Retz.) willd.,for its identification and to distinguish it from the coexisting weeds and adulterants. The Secton of fruit has thick pericarp, hard and thick seeds and sclerotic seed coat. The seeds are endospermous. Powdered sample of drug showed large pieces of pericarp and individual sclareids. Calcium oxalate crystals are Present in the cells of fruit wall. Epidermal Trichomes of powdered sample are unicellular, unbranched and thick walled and curved or twisted. The study includes Macroscopic, Microscopic characters, Physico-chemical characters and phytochemical investigation of fruit parts of Ziziphus xylopyrus (Retz.) willd.