WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000820482
<NAME> DREYFUS CASH MANAGEMENT PLUS, INC.- ADMINISTRATIVE SHARES
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-2001
<PERIOD-END> JUL-31-2000
<INVESTMENTS-AT-COST> 9488594
<INVESTMENTS-AT-VALUE> 9488594
<RECEIVABLES> 219107
<ASSETS-OTHER> 2935
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 9710636
<PAYABLE-FOR-SECURITIES> 335397
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1803
<TOTAL-LIABILITIES> 337200
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 9374949
<SHARES-COMMON-STOCK> 241518
<SHARES-COMMON-PRIOR> 30099
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1513)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 241516
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 244320
<OTHER-INCOME> 0
<EXPENSES-NET> 8997
<NET-INVESTMENT-INCOME> 235323
<REALIZED-GAINS-CURRENT> 29
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 235352
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3374)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 364327
<NUMBER-OF-SHARES-REDEEMED> (156021)
<SHARES-REINVESTED> 3113
<NET-CHANGE-IN-ASSETS> 1935817
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1542)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 7722
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 8997
<AVERAGE-NET-ASSETS> 107715
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .030
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.030)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .003
</TABLE>