Shaving knife for scraping soap

The invention discloses a shaving knife for scraping soap. When the soap is used, the shaving knife can scrap the corresponding amount of soap into thin pieces according to the required soap amount. The shaving knife is composed of a shaving knife handle, a storage bin and a bidirectional shaving knife body. The storage bin is in a long strip shape. The bottom of the storage bin protrudes outwards. The bidirectional shaving knife body is arranged at the bottom of the storage bin. The bidirectional shaving knife body is composed of two opposite knife edges. The distance, namely the width of a gap in the bottom of the storage bin, between the two knife edges is 0.2-0.4 cm.. One end of the shaving knife handle is connected to the middle of the storage bin and is perpendicular to the storage bin. The bidirectional shaving knife body at the bottom of the storage bin is tightly attached to the soap to be scraped, the storage bin is pushed and pulled back and forth through the shaving knife handle, the soap is scraped into the thin pieces through the bidirectional shaving knife body, the thin pieces of the soap are scraped up and enter the storage bin through the gap in the bottom of the storage bin, and a user can use the thin pieces simply by pouring the thin pieces of the soap in the storage bin into hands to soak with water or applying the thin pieces onto an object to be soaped.