The 29-year-old woman, surnamed Chen, jumped from a window of the Haishu Shiji Plaza in Ningbo City, Zhejiang Province, at midday Thursday.
Miraculously, she survived after she landed on tree boughs and then fell onto a car.
Police said she had not landed head first, which probably contributed to her survival.
She suffered lung injuries and fractures in her left leg and she would likely survive, said a doctor at the Ningbo No. 2 People's Hospital.
Her husband said she suffered from depression two years ago when giving birth.
A spokesman for Ningbo Police said there were no suspicious circumstances regarding the incident.
