A replenishable liquid soap dispensing apparatus includes a liquid soap container, a soap dispensing device and a support rack. The liquid soap container includes a holding portion, a bottle opening on the holding portion and at least one lean portion on the holding portion. The soap dispensing device has a soap intake tube connecting to the liquid soap container to draw liquid soap, a soap discharge tube connecting to the soap intake tube to discharge the liquid soap and a pressurizing mechanism to increase the pressure in the soap intake tube and soap discharge tube to send the liquid soap from the soap intake tube towards the soap discharge tube. The support rack includes a first support portion to hold the soap dispensing device and a second support portion corresponding to and coupling with the lean portion to hold the liquid soap container.