In 1996 Atlanta Olympics He won the silver in the women's individual event. She competed again in 2000 in Sydney but did not win a medal.
At the 2004 Summer Olympics He placed 4th in the women's individual ranking round with a 72-arrow score of 667. In the first round of elimination, she faced 61st-ranked Helen Palmer of Great Britain. He Ying defeated Palmer 141-130 in the 18-arrow match to advance to the round of 32. In that round, she faced 29th-ranked Australian archer Melissa Jennison. A tie-breaker was needed when the 18 arrow match was tied 158-158, which He Ying won 9-8 to advance to the round of 16. She then defeated 52nd-ranked Kirstin Jean Lewis of South Africa 156-142, advancing to the quarterfinals.
In the quarterfinals, He Ying faced 21st-ranked and eventual bronze medalistAlison Williamson of Great Britain, missing the target entirely with 2 of 12 arrows. The final score of 109-89 placed her 8th overall in women's individual archery.
She was also a member of the team that won the silver medal for China in the women's team archery competition.