A syringe pump for pumping liquid medication in a syringe (200, 300) mounted on the syringe pump, comprising: a mounting portion configured to mount a syringe body (201, 301) of the syringe (200, 300) thereon; and a grip mechanism unit configured to grip a syringe plunger (202, 302) of the syringe (200, 300) mounted to the mounting portion, the grip mechanism unit having at least one gripping member (81, 82) configured to be disposed between a plunger flange (205, 305) provided at the syringe plunger (202, 302) and the syringe body (201, 301), the gripping member has two members, a first gripping member and a second gripping member, and the grip mechanism unit is configured to grip the syringe plunger (202, 302) disposed between the first gripping member and the second gripping member. the gripping member (81, 82) having a guide portion configured to guide the plunger flange (205, 305) to be removed from the gripping member (81, 82), upon removing the syringe body (201, 301) from the mounting portion, characterized in that the guide portion is an inclined portion (81H, 82H) formed at an outer edge on a side on which the plunger flange (205, 305) is to be disposed, opposite to a side on which the syringe plunger (202, 302) is to be disposed, wherein the inclined portion (81H, 82H) has a thickness gradually reducing towards the side opposite to the side on which the syringe plunger (202, 302) is to be disposed for avoiding breaking of at least one of the first and second gripping member (81, 82) when a medical worker forcibly turns the syringe while the first and second gripping member (81, 82) hold the plunger flange such that the plunger flange imposes an overload on at least one of the first and second gripping member (81, 82). a mounting portion configured to mount a syringe body (201, 301) of the syringe (200, 300) thereon; and a grip mechanism unit configured to grip a syringe plunger (202, 302) of the syringe (200, 300) mounted to the mounting portion, the grip mechanism unit having at least one gripping member (81, 82) configured to be disposed between a plunger flange (205, 305) provided at the syringe plunger (202, 302) and the syringe body (201, 301), the gripping member has two members, a first gripping member and a second gripping member, and the grip mechanism unit is configured to grip the syringe plunger (202, 302) disposed between the first gripping member and the second gripping member. the gripping member (81, 82) having a guide portion configured to guide the plunger flange (205, 305) to be removed from the gripping member (81, 82), upon removing the syringe body (201, 301) from the mounting portion, characterized in that the guide portion is an inclined portion (81H, 82H) formed at an outer edge on a side on which the plunger flange (205, 305) is to be disposed, opposite to a side on which the syringe plunger (202, 302) is to be disposed, wherein the inclined portion (81H, 82H) has a thickness gradually reducing towards the side opposite to the side on which the syringe plunger (202, 302) is to be disposed for avoiding breaking of at least one of the first and second gripping member (81, 82) when a medical worker forcibly turns the syringe while the first and second gripping member (81, 82) hold the plunger flange such that the plunger flange imposes an overload on at least one of the first and second gripping member (81, 82).