PROBLEM TO BE SOLVED: To provide a capillary which can suck a previously set trace amount of sample without special operation by an operator, and a sample collection tool using the capillary and a sample collector.SOLUTION: In a capillary 10, a water repellent 11 is applied at a position separated from one end of a water-dispersible sheet-like member by a predetermined distance, and the sheet-like member is rolled up so that the one end forms an opening of an inner diameter enough to express a capillary phenomenon.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT