A multipurpose sample collector capable of accurately collecting or outputting the amount of a sample without mixing separated samples or leaking the sample to the outside. A first graduation section 11 having a barrel tip 13 for attaching a needle to the front end of an outer cylinder 1 and having a first graduation 111 on the surface of the outer cylinder 1, and a second graduation 121 opposite to the first graduation 111 is provided. The plunger 2 has a bolt portion 21, the gasket 3 installed in the outer cylinder 1 has a female screw hole 31 that can be coupled to the bolt portion 21, and the first cap 4. Includes a knob 41, a female screw hole 42 that can be coupled to the tube tip 13, a pin portion 43 that is inserted into the tube tip 13, and a bolt portion 51 that is attached to and detached from the female screw hole 31 is provided at one end of the second cap 5. A stopper 52 for restricting escape of the gasket 3 is provided at the rear end of the outer cylinder 1, and the second cap 5 and the plunger 2 are alternatively coupled to the gasket 3. [Selection] Figure 3【課題】分離された検体が混合されたり、検体が外部に漏れ出ることがなく、検体の量を正確に採取または出力することができる多用途検体採集器を提供すること。【解決手段】外筒１の前端に針を付ける筒先１３を備え、外筒１の表面に第１目盛１１１を備えた第１目盛区域１１と、第１目盛１１１と逆向きの第２目盛１２１を備えた第２目盛区域１２を形成し、プランジャー２がボルト部２１を備え、外筒１内に設置したガスケット３がボルト部２１と結合可能な雌ネジ穴３１を備え、第１キャップ４はつまみ４１と、筒先１３に結合可能な雌ネジ穴４２と、筒先１３に挿入するピン部４３を含み、第２キャップ５の一端に雌ネジ穴３１と着脱するボルト部５１を設け、他端につまみ５２を設け、外筒１の後端にガスケット３の脱出を規制するストッパ部１４が設けられ、第２キャップ５とプランジャー２とは択一的にガスケット３に結合される。【選択図】図３
