A high-strength thin steel sheet having excellent drawability and bake hardenability, comprising: 0.0005 wt% to 0.003 wt% of carbon; 0.5 wt% or less and excluding 0 wt% of silicon; 1.2 wt% or less and excluding 0 wt% of manganese; 0.005 wt% to 0.12 wt% of phosphorus; 0.008 wt% or less of sulfur; 0.005 wt% or less of nitrogen; 0.1 wt% or less and excluding 0 wt% of acid-soluable aluminum; 0.01 wt% to 0.04 wt% of titanium; iron as a remainder thereof; and unavoidable impurities, wherein the high-strength thin steel sheet optionally further comprises 0.005 wt% to 0.04 wt% of niobium, wherein the high-strength thin steel sheet optionally further comprises 0.002 wt% or less and excluding 0 wt% of boron, wherein the high-strength thin steel sheet has P of 80% or more, P being defined by P % = N in / N in + N gb × 100, where N in denotes the number of carbides present within a crystal grain while having a size of 20 nm or less, and N gb denotes the number of carbides present at a grain boundary while having a size of 20 nm or less, and has a bake hardening amount, BH, of 4MPa or more, wherein the bake hardenability is evaluated via a difference between a yield strength value obtained after 2% pre-straining of the specimen and a yield strength value obtained by again maintaining the specimen at 170°C for 20 minutes, and wherein the number of carbides is calculated by observing precipitates in replica using a TEM and then counting the numbers of precipitates per unit length, μm, with respect to five segments to obtain an average value thereof, wherein the high-strength thin steel sheet has a lankford value, r value, of 2.2 or more, the lankford value being calculated by the equation r value = r 0 + r 90 + 2 r 45 / 4 where ri is a plastic anisotropy coefficient measured in a specimen taken in a direction of i° from a rolling direction. 0.0005 wt% to 0.003 wt% of carbon; 0.5 wt% or less and excluding 0 wt% of silicon; 1.2 wt% or less and excluding 0 wt% of manganese; 0.005 wt% to 0.12 wt% of phosphorus; 0.008 wt% or less of sulfur; 0.005 wt% or less of nitrogen; 0.1 wt% or less and excluding 0 wt% of acid-soluable aluminum; 0.01 wt% to 0.04 wt% of titanium; iron as a remainder thereof; and unavoidable impurities, wherein the high-strength thin steel sheet optionally further comprises 0.005 wt% to 0.04 wt% of niobium, wherein the high-strength thin steel sheet optionally further comprises 0.002 wt% or less and excluding 0 wt% of boron, wherein the high-strength thin steel sheet has P of 80% or more, P being defined by P % = N in / N in + N gb × 100, where N in denotes the number of carbides present within a crystal grain while having a size of 20 nm or less, and N gb denotes the number of carbides present at a grain boundary while having a size of 20 nm or less, and has a bake hardening amount, BH, of 4MPa or more, wherein the bake hardenability is evaluated via a difference between a yield strength value obtained after 2% pre-straining of the specimen and a yield strength value obtained by again maintaining the specimen at 170°C for 20 minutes, and wherein the number of carbides is calculated by observing precipitates in replica using a TEM and then counting the numbers of precipitates per unit length, μm, with respect to five segments to obtain an average value thereof, wherein the high-strength thin steel sheet has a lankford value, r value, of 2.2 or more, the lankford value being calculated by the equation r value = r 0 + r 90 + 2 r 45 / 4 where ri is a plastic anisotropy coefficient measured in a specimen taken in a direction of i° from a rolling direction.