An integrated kit for separating blood and concentrating PRP includes: (a) a main body that includes an upper storage portion, a lower storage portion, and a passage portion for connecting the upper storage portion and the lower storage portion (b) a upper cover coupled to an upper end of the upper storage portion (c) an inner stopper inserted into a lower end of the lower storage portion so as to seal the lower storage portion (d) a closing adjustment screw which can move vertically while penetrating a hole formed at the inner stopper and seals the passage portion and (e) a lower cover coupled to an outside of the lower end of the lower storage portion and the outside of the inner stopper to prevent the separation of the closing adjustment screw coupled to the inner stopper in case of centrifugation.
