A continuous efficient production process for a lithium battery slurry, comprising mixing a main material, an auxiliary material, and part of a liquid material in a front section of a barrel body of a spiral mixing device, wherein the barrel body further comprises a middle section and a rear section, and the front section, the middle section, and the rear section are arranged in sequence; selectively adding an adhesive into the front section or the middle section; and adding the remaining liquid material into the rear section, wherein the rear section is provided with a discharge port; wherein the main material comprises anode main material or cathode main material, wherein the anode main material is selected from lithium iron phosphate, ternary composite lithium, lithium manganite and lithium cobalt oxide, and the cathode main material is selected from graphite, lithium carbonate, lithium titanate and silicon carbon cathode material; the auxiliary material is conductive agent, and the liquid material is solvent; wherein the front section comprises a first solid material feed port and a first liquid material feed port, the main material and the auxiliary material enter the front section through the first solid material feed port, and part of the liquid material enters the front section through the first liquid material feed port; wherein in a case that the adhesive is added to the front section, the adhesive enters the front section through the first solid material feed port, and in a case that the adhesive is added to the middle section, the middle section is provided with a second solid material feed port, and the adhesive enters the middle section through the second solid material feed port; and wherein the rear section is further provided with a second liquid material feed port, and the remaining liquid material enters the rear section through the second liquid material feed port. mixing a main material, an auxiliary material, and part of a liquid material in a front section of a barrel body of a spiral mixing device, wherein the barrel body further comprises a middle section and a rear section, and the front section, the middle section, and the rear section are arranged in sequence; selectively adding an adhesive into the front section or the middle section; and adding the remaining liquid material into the rear section, wherein the rear section is provided with a discharge port; wherein the main material comprises anode main material or cathode main material, wherein the anode main material is selected from lithium iron phosphate, ternary composite lithium, lithium manganite and lithium cobalt oxide, and the cathode main material is selected from graphite, lithium carbonate, lithium titanate and silicon carbon cathode material; the auxiliary material is conductive agent, and the liquid material is solvent; wherein the front section comprises a first solid material feed port and a first liquid material feed port, the main material and the auxiliary material enter the front section through the first solid material feed port, and part of the liquid material enters the front section through the first liquid material feed port; wherein in a case that the adhesive is added to the front section, the adhesive enters the front section through the first solid material feed port, and in a case that the adhesive is added to the middle section, the middle section is provided with a second solid material feed port, and the adhesive enters the middle section through the second solid material feed port; and wherein the rear section is further provided with a second liquid material feed port, and the remaining liquid material enters the rear section through the second liquid material feed port.