A randomized, open-label, 2-way crossover study to compare the pharmacokinetics and safety CKD-391 to coadministration Atorvastatin and Ezetimibe in health volunteers.

To compare the CKD-391 (Experimental product) to the dose Atorvastatin calcium and Ezetimibe combination in health male subjects is the purpose of this trial.

Following are evaluated in this trial; Characteristics and safety/Tolerability Of CKD-391.

Inclusion Criteria:

• Bwt >=50kg, BMI 18.5~25
• signed the informed consent form prior to the study participation

Exclusion Criteria:

• - Clinically significant disease
• Subject has signs of symptoms of acute disease within 28 days of starting administration of investigational drug
• Clinically significant allergic disease
• Impossible to taking the institutional standard meal
• Previously donate whole blood within 60 days or component blood within 20 days
• Previously participated in other trial within 90 days
• Continued to be taking caffeine (caffeine > 5 cup/day), drinking(alcohol > 30 g/day) or cannot stop drinking or severe heavy smoker(cigarette > 10 cigarettes per day)during clinical trials
• An impossible one who participates in clinical trial by investigator's decision including laboratory test result