A fat collection system includes a cylinder and a screen basket. The cylinder body includes a feed inlet, an exhaust outlet, a bottom drain and an accommodating space, and the accommodating space is in communication with the feed inlet, exhaust port and bottom drain. The inlet is used to receive the mixture, the accommodating space is used to accommodate the water and fat layered in the mixture, and the bottom drain is used to discharge the water. The screen basket covers the feed inlet and is separated from the exhaust outlet. The sieve basket is used to sieve the mixture to drain water and fat to the storage space.一種脂肪收集系統包含一筒體以及一篩籃。筒體包含一入料口、一排氣口、一底排水口以及一容置空間，容置空間與入料口、排氣口和底排水口相連通。其中入料口用於接收混合物，容置空間用於容置混合物中分層之水以及脂肪，且底排水口用於排出水。篩籃覆蓋於入料口且與排氣口分離配置。篩籃用於篩濾混合物以排出水及脂肪至容置空間。
