1. Use the brush tool: Select the brush tool in Meitu Xiu Xiu, and when drawing a line, draw a complete line with a smooth action to avoid repeated disconnection and continue drawing.
2. Adjust the thickness of brush strokes: By adjusting the size and hardness of the brush, the lines can be smoother, and thinner brush strokes will make the lines look smoother.
3. Use smoothing tools: In the graffiti or painting interface, Meitu Xiu Xiu provides smoothing tools, which can smooth lines and make them look softer.
4. Use trimming tools: The trimming tools in Meitu Xiu Xiu can be used to clean the jagged edge of lines and make them smoother. You can find pruning tools in the graffiti or picture editing interface and use them as needed.