Control is essential for the hospital to achieve its objectives and goals, otherwise it would be impossible to define the measures that must be taken to achieve them. Objective: to control the activities as a component of internal control in a Cuban hospital entity, showing the best direction to follow when making decisions, with a low level of uncertainties in the results. Method: a model was designed through the Compensatory Fuzzy Logic, composed by the fundamental elements of the control activities norm. Result: the control activities in the hospital are in a deficient category of something true, negatively influencing staff turnover and performance indicators. Conclusions: the control management index was obtained, evidencing that there are notable deficiencies in its implementation, allowing the hospital to establish an improvement strategy based on an action plan.