The influence of hypoxic hypoxia on some hematological, cardiovascular and respiratory parameters of men residing in the Colca Valley (3417-3633 masl) was evaluated. The experimental evaluation was carried out at the Chivay Health Center and Health Post of Yanque, during the months of January to December 2015. The average age was 22.76 ± 5.04 years, average weight is 58.94 ± 6.16 Kg, average height of 1.64 ± 5.02 mt (p> 0.05). There was no significant difference in age, weight, height and BMI in the residents of Chivay, Yanque and Achoma. Significant difference in erythrocyte count, hematocrit and hemoglobin was found in the inhabitants of Chivay, Yanque and Achoma (p <0.05). There was no significant difference in leukocyte count in the assessed population (p> 0.05). There was no significant difference in leukocyte count in the inhabitants of Chivay, Yanque and Achoma (p> ...