A Foley catheter assembly comprising: • a Foley catheter comprising - an insertion tip being insertable into a bladder, and - a drainage tube extending from the insertion tip for discharging urine from the bladder; and • a catheter support cover - covering the outer surface of the Foley catheter before the Foley catheter is inserted into the bladder for protection from external contamination, - assisting the insertion tip to be smoothly inserted into the bladder at a constant speed, and - comprising: • a pair of support main bodies (121, 122) • being detachably coupled to each other, • having an open slit being formed on front surfaces of the pair of support main bodies (121, 122), and • accommodating the drainage tube; and • a pair of transport rollers (123, 124) rotatably disposed in upper portions of the support main bodies (121, 122) at both sides of the insertion tip to transport the insertion tip into the bladder, • wherein a saline supply tube for supplying a saline solution to a balloon disposed at a lower portion of the insertion tip protrudes through the open slit. • a Foley catheter comprising - an insertion tip being insertable into a bladder, and - a drainage tube extending from the insertion tip for discharging urine from the bladder; and - an insertion tip being insertable into a bladder, and - a drainage tube extending from the insertion tip for discharging urine from the bladder; and • a catheter support cover - covering the outer surface of the Foley catheter before the Foley catheter is inserted into the bladder for protection from external contamination, - assisting the insertion tip to be smoothly inserted into the bladder at a constant speed, and - comprising: • a pair of support main bodies (121, 122) • being detachably coupled to each other, • having an open slit being formed on front surfaces of the pair of support main bodies (121, 122), and • accommodating the drainage tube; and • a pair of transport rollers (123, 124) rotatably disposed in upper portions of the support main bodies (121, 122) at both sides of the insertion tip to transport the insertion tip into the bladder, - covering the outer surface of the Foley catheter before the Foley catheter is inserted into the bladder for protection from external contamination, - assisting the insertion tip to be smoothly inserted into the bladder at a constant speed, and - comprising: • a pair of support main bodies (121, 122) • being detachably coupled to each other, • having an open slit being formed on front surfaces of the pair of support main bodies (121, 122), and • accommodating the drainage tube; and • a pair of transport rollers (123, 124) rotatably disposed in upper portions of the support main bodies (121, 122) at both sides of the insertion tip to transport the insertion tip into the bladder, • a pair of support main bodies (121, 122) • being detachably coupled to each other, • having an open slit being formed on front surfaces of the pair of support main bodies (121, 122), and • accommodating the drainage tube; and • being detachably coupled to each other, • having an open slit being formed on front surfaces of the pair of support main bodies (121, 122), and • accommodating the drainage tube; and • a pair of transport rollers (123, 124) rotatably disposed in upper portions of the support main bodies (121, 122) at both sides of the insertion tip to transport the insertion tip into the bladder, • wherein a saline supply tube for supplying a saline solution to a balloon disposed at a lower portion of the insertion tip protrudes through the open slit.