The Revolutionary Party called for abolishing the imperial system and instituting democracy, but the Pao-huang Tang advocated a new government headed by the emperor. The views of the two parties were mutually incompatible, resulting in the "Sun Yat-sen Not Welcome Here" sign.
革命黨主張廢除帝制，實行民主；保皇黨卻是倡言由皇帝主持新政，兩派互成水火，於是演出「孫文到，不招待」事件。