Abstract: Based on the observation of Parsivel OTT2 disdrometer at Beilun Station in Zhejiang Province, the microphysical characteristics of precipitation associated with Typhoon Doksuri (202305) in the coastal areas of Zhejiang Province are analyzed. Results show that the precipitation was induced by spiral rainbands, with significant differences in precipitation characteristics before and after landfall: Before landfall, the precipitation was driven by warm-cloud precipitation with a low center-of-mass, characterized by a weak rainfall intensity and a small proportion of convective cloud precipitation. Raindrops were mainly small and medium sized before landfall, presenting typical tropical typhoon precipitation characteristics, with convective precipitation belonging to the maritime-like type. After landfall, cumulusmixed precipitation prevailed, with higher and more volatile rainfall intensity, and vigorous vertical development of convective systems. This led to significantly larger raindrop diameters and higher number concentrations, with large raindrops exceeding 4 mm in diameter. The precipitation after landfall showed certain characteristics of extratropical cyclone precipitation, and the convective precipitation was between maritime-like and continental-like types. Small to medium-sized raindrops (≤2 mm) contributed most to rainfall intensity before landfall, while large raindrops had minimal impact. .After landfall, the increase of rain intensity mainly depends on the growth in the number of raindrops larger than 2 mm. The fitted μ-Λ and Z-R relationships are different between before and after typhoon's landfall. The pre-landfall μ - Λ relationship had larger Λ values, and its Z-R relationship was characterized by a lower“a”and a higher “b”consistent with typical tropical typhoon precipitation, whereas the post-landfall Z-R relationship showed a higher "a" and a lower "b" consistent with mid-latitude convective precipitation. The standard Z-R relationship is unapplicable, as it underestimates pre-landfall precipitation and post-landfall precipitation with intensity above 50 mm·h^-1, and overestimates post-landfall precipitation with intensity below 50 mm·h^-1. Therefore, it is necessary to establish corresponding Z-R relationships for different precipitation regions and stages of typhoons.