Contact decomposition catalyst containing rare earth-containing Y molecules, their manufacturing me

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Provided is a Y-type molecular sieve containing rare earth, which is characterized in that there are at least two mesoporous pore diameter distributions at 2-3 nm and 3-4 nm. Further provided is a catalytic cracking catalyst, which has excellent heavy oil conversion capabilities, higher gasoline yield, and lower coke selectivity when used in the catalytic cracking of heavy oil.