Use of the anti- NGF antibody which can be possible, obstruct the biological activity of TrkA for chronic painfully remedy and/or to designate the production of the medicine for prevention as purpose, to obstruct the connection with NGF and TrkA.< Selective figure >It is not慢性疼痛の治療用及び/又は予防用医薬の製造を目的とする、NGFとTrkAとの間の結合を阻害することができ、TrkAの生物学的活性を阻止することができる抗NGF抗体の使用。【選択図】なし