ABSTRACT The purpose of this research is to get a good illustration about internal control system of cash in flow and cash out flow of PT Kimia Farma Trading and Distribution Surakarta. The writer take title about internal control system of cash in flow and cash out flow because cash is represent most company active liquid and easy to deviated. For that security to cash have to be being tight by improve, repairing internal control system of company. In general, applying the internal control system of cash in flow and cash out flow at PT Kimia Farma Trading and Distribution Surakarta have been executed well. There are existence of dissociation of function expressly, there are good record keeping procedure and authorization, healthy practise and also employees which qualified in its part. But there are still several things which need to be paid attention by company, among others there are still any double fucntion, there are no investigation just in time, and position rotary. Based on finding of writer, expected can become attention to company. There are separating fucntion, but sometimes still double duty, for example the part of expedition and colector. Beside that, better the company make investigation just in time and position rotary. By repairing in this internal control system, expected can improve the company performance to better again. Key word : internal control system of in flow and cash out flow