Instant fish gelatin-milk tea drink and preparation method therefor

The invention discloses a preparation method for an instant fish gelatin-milk tea drink. The preparation method comprises the following steps: S1, pretreating fish gelatin to obtain fish gelatin powder; S2, adding the fish gelatin powder, tea powder, a sweetening agent, a compound stabilizer, milk powder, an acidity regulator and auxiliary materials into water, carrying out uniform mixing and stirring, and fixing the volume with water to prepare a feed solution, wherein a pH value of the feed solution is 6.0-8.0, and the content of soluble solids in the feed solution is not lower than 1.5%; S4, filling the prepared feed solution into containers, and carrying out performing gland sealing; and S5, putting the capped containers in an environment with the temperature of 110 DEG C to 130 DEG C, carrying out heat treatment for 12-20 minutes, and carrying out cooling, thereby obtaining the instant fish gelatin-milk tea drink. According to the preparation method, a low-temperature-freezing physical grinding technolog