委托书公证是指公证处根据委托人的申请,依法证明委托人的授权行为真实、合法的活动。委托代理是指委托人授权受托人以委托人的名义在授权范围内办理委托的事项,并由委托人承担由此产生的法律责任的一种法律行为。委托书是委托人的单方意思表示,只有受托人在接受委托时委托才起作用。 Notarial notarization refers to the notary office based on the client’s application, in accordance with the law to prove that the principal’s authorization act authentic and legitimate activities. Entrusting agency refers to the principal authorizing the trustee in the name of the trust within the scope of authorization entrusted matters, and by the client to assume the legal responsibility arising from a legal act. Power of attorney is the client’s unilateral meaning that only the trustee commissioned when commissioned to play a role.