China's consumer price index (CPI), a main gauge of inflation, slipped to 3.0 percent in May from April's 3.4 percent.
It marked a 17-month-low, easing from April's 3.4 percent and 3.6 percent in March.
China's new yuan-denominated loans rose to 793.2 billion yuan ($125.9 billion) in May, 241.6 billion yuan up from the same period last year.
China's fiscal revenue in the first five months of the year rose 12.7 percent from the same period a year ago.
Exports jumped by more than 15 percent in May from the previous year. But economists warned that prospects for the year remain dim.
China's retail sales grew 13.8 percent year on year to 1.67 trillion yuan ($265.08 billion) in May, the National Bureau of Statistics (NBS) said.
China's industrial value-added output grew 9.6 percent year on year in May after adjusted by inflation, the National Bureau of Statistics said.
China's fixed-asset investment rose 20.1 percent year on year to 10.89 trillion yuan ($1.73 trillion) in the first five months of this year.
China's Producer Price Index (PPI), a main gauge of inflation at the wholesale level, fell 1.4 percent in May from a year earlier.
It fell deeper than April's 0.7 percent, and marked another month of year-on-year decline after China's PPI saw a drop in March for the first time since December 2009.
The purchasing managers index, a readout of the country's manufacturing activity, ended five consecutive months of growth in May and retreated to 50.4 percent from 53.3 percent in April, the China Federation of Logistics and Purchasing said.