The invention provides a processing method for real silk crepe-de-chine shell fabric. The processing method for the real silk crepe-de-chine shell fabric utilizes real silk green body raw materials to serve as raw materials, and the whole processing flow comprises the steps that (1) pre-processing is carried out; (2) degumming and white refining are carried out on the processed green body raw materials; cold water tank soaking is carried out, and the green body raw materials are placed in a cold water tank with the water temperature ranging from 15 DEG C to 30 DEG C and soaked for 40-60 minutes; primary refining process is carried out, 20-25 kg of dispersing agents, 20-25 kg of sodium carbonate, 4-6 kg of sodium silication and 1-1.5 kg of sodium hydrosulfite are added into a primary refined tank containing 5 tons of water, the water temperature rises from 80-85 DEG C to 100 DEG C, and refining is carried out again for 40-50 minutes; secondary refining process is carried out, 8-10 kg of the dispersing agents, 2-2.5 kg of the sodium carbonate, 4-6 kg of the sodium silication and 0.5-1 kg of sodium hydrosulfite are added into a secondary refined tank containing 5 tons of water, the water temperature is kept at 100 DEG C and refining is carried out for 30-40 minutes; (4) coiling is carried out, tension-free coiling is carried out by a loose type coiling machine; (5) arranging is carried out, drying and stretching are carried out by a tension-free carpet machine and a stretching machine, and then the real silk crepe-de-chine shell fabric with the shrinkage rate reaching to 6%-8% is obtained. According to the real silk crepe-de-chine shell fabric obtained by the processing method, the shrinkage rate can reach to 6%-8%, and the whiteness is good.