Abstract: By means of video observation, four-segment technical index evaluation, mathematical statistics, this present paper analyzed Ma Long's techniques and tactics in 3 competitions at the 2016 Rio Olympic Games. Results show that in terms of his overall data, there were no obvious flaws in Ma Long's techniques and tactics, his overall strength was strong and his four-segment scoring rate was evaluated as good; in the third ball attack segment, his scoring rate in 3 competitions was evaluated as "2 Excellents and 1 Good", his average utilization rate was evaluated as "Low", showing that his third ball attack performance was stable, while his quality was yet to improve; in the service return attack segment, Ma Long scored high. He used a variety of techniques and was active, the placement of return was reasonable; in the stalemate segment, when his scoring rate in stalemate phase I and phase 2 and utilization rate were high, he scored high too, and in the whole stalemate segment, Ma Long's use of forehand and backhand technique was well-balanced, exhibiting his strong stability.

Key words: Ma Long, technique and tactic, four-segment index evaluation method, the Rio Olympic Games, table tennis ball