The decoration drawing (31) of a restaurant includes: design description, original structure drawing, floor plan, top layout, floor plan, new wall reconstruction drawing, socket layout, socket layout, switch layout, water supply and drainage plan, banquet hall detail, box top layout, box top size and node detail, box A, C Elevation and node detail drawing, box plane top layout, box top dimension and node detail drawing, box A, C Elevation and node details, balcony elevation, toilet basin construction details, toilet basin construction details, men's bathroom floor plan, women's bathroom elevation, section, aisle modeling construction details, compartment door details, first floor pavement, first floor clamp, bar table elevation