Objective To study the effects of spray distance on the microstructure and property of Ti coatings. Methods Ti coatings were prepared at different spray distances by Low Temperature HVOF process. The microstructure, phase structure and microhardness of the coatings were analyzed. Besides, the influence mechanism of spray distance on Ti coatings was discussed. Results The results showed that LT-HVOF Ti coatings had relatively high surface roughness, and the porosity of the coatings first decreased and then increased with the increase of spray distances, and the minimum porosity of the coating was 0. 70% at the spray distance of 150 mm; no obvious oxidation was observed in Ti coatings; the splats deposited on the substrate were mainly in its solid state. Conclusion When the spray distance was 150 mm, Ti particles were sufficiently heated in plume and had a high in-flight velocity, so Ti splats were well flattened to form dense Ti coating.