An antibody that binds to human XCR1, where the antibody is: the antibody comprising a heavy chain variable region comprising the heavy chain CDR 1-3 described in (g) - (i) below and a variable region of the light chain comprising the CDR 1-3 of the light chain described in (j) - (1) below； the antibody comprising a heavy chain variable region comprising CDR 1-3 of the heavy chain described in (m) - (o) below and a variable region of the light chain comprising CDR 1-3 of the light chain described in (p) - (r) below； or the antibody comprising a heavy chain variable region comprising CDR 1-3 of the heavy chain described in (a) - (c) below and a variable region of the light chain comprising CDR 1- 3 of the light chain described in (d) - (f) below: (a) a heavy chain CDR 1 consisting of the amino acid sequence of SEQ ID NO: 41, (b) a CDR 2 of the heavy chain consisting of the amino acid sequence of SEQ ID NO: 42, (c) a CDR 3 of the heavy chain consisting of the amino acid sequence of SEQ ID NO: 43； (d) a CDR 1 of the light chain consisting of the amino acid sequence of SEQ ID NO: 44, (e) a CDR 2 of the light chain consisting of the amino acid sequence of SEQ ID NO: 45, and 25 (f) a CDR 3 of the light chain consisting of the amino acid sequence of SEQ ID NO: 46； (g) a CDR 1 of the heavy chain consisting of the amino acid sequence of SEQ ID NO: 17, (h) a CDR 2 of the heavy chain consisting of the amino acid sequence of SEQ ID NO: 18, (i ) a CDR 3 of the heavy chain consisting of the amino acid sequence of SEQ ID NO: 19； (j) a CDR 1 of the light chain consisting of the amino acid sequence of SEQ ID NO: 20, (k) a CDR 2 of the light chain consisting of the amino acid sequence of SEQ ID NO: 21, (l ) a CDR 3 of the light chain consisting of the amino acid sequence of SEQ ID NO: 22； (m) a CDR 1 of the heavy chain consisting of the amino acid sequence of SEQ ID NO: 29, (n) a CDR 2 of the heavy chain consisting of the amino acid sequence of SEQ ID NO: 30, (or ) a CDR 3 of the hea
