Mixed powder, mixed body, and method for producing organic electroluminescent element

This mixed powder contains a first compound and a second compound, and is characterized in that the number of rings of a fused ring structure having the largest number of rings contained in the first compound is 3 or more, the number of rings of a fused ring structure having the largest number of rings contained in the second compound is 5 or more, and the number of rings of a fused ring structure having the largest number of rings contained in the fused ring structure is 5 or more. And the number of rings of the fused ring structure having the largest number of rings is larger than that of the first compound. 混和粉体，其是含有第1化合物和第2化合物的混合粉体，前述第1化合物中，该化合物所包含的稠环结构中环数最多的稠环结构的环数为3以上，前述第2化合物中，该化合物所包含的稠环结构中环数最多的稠环结构的环数为5以上，且该环数最多的稠环结构的环数比前述第1化合物多。